Operating instructions 220413 7081897

Operating instructions 220413 7081897
Operating instructions
Upright refrigerator with freezer compartment
7081897 - 03
K 2330/2734 ... 1
Appliance at a glance
Appliance at a glance............................................
Description of appliance and equipment..................
Range of appliance use............................................
Installation dimensions.............................................
Saving energy..........................................................
General safety information...................................
Controls and displays...........................................
Operating controls....................................................
Putting into operation............................................
Transporting the appliance.......................................
Installing the appliance.............................................
Changing over the door hinge..................................
Insertion into a row of kitchen units...........................
Disposing of packaging............................................
Connecting the appliance.........................................
Switching on the appliance.......................................
Refrigerator compartment........................................
Freezer compartment...............................................
Cleaning the appliance.............................................
Changing the interior light.........................................
Customer service.....................................................
Decommissioning.................................................. 10
Switching off the appliance....................................... 10
Taking the appliance out of service.......................... 10
Disposing of the appliance................................... 10
The manufacturer works constantly on the further development
of all the types and models. Therefore please understand that
we have to reserve the right to make design, equipment and
technical modifications.
To get to know all the benefits of your new appliance, please
read the information contained in these instructions carefully.
The instructions apply to several models. Differences may
occur. Text relating only to specific appliances is marked with
an asterisk (*).
Instructions for action are marked with a
action are marked with a .
, the results of
1 Appliance at a glance
1.1 Description of appliance and equipment
u Place food inside the appliance as shown in the diagram.
This allows the appliance to save energy during operation.
u Shelves, drawers and baskets are arranged for optimum
energy efficiency on delivery.
Fig. 1
(1) Thermostat housing,
interior lighting
(2) Shelf, separable
(3) Shelf, adjustable
(4) Eierablage
(5) Bottle rack*
(6) Butter shelf
(7) Door rack, adjustable
(8) Bottle holder
(9) Door rack for large bottles
(10) Vegetable bins
(11) Coldest area
(12) Drain opening
(13) Type plate
(14) Freezer compartment*
(15) Adjustable feet, rear
rollers for transport
1.2 Range of appliance use
The appliance is suitable solely for cooling food
in a domestic environment or similar. This
includes use in, for example
- in staff kitchenettes, bed and breakfast establishments,
- by guests in country homes, hotels, motels
and other forms of accommodation,
- in catering and similar services in the wholesale trade
Use the appliance solely as is customary within
a domestic environment. All other types of use
are inadmissible. The appliance is not suitable
for storing and cooling medicines, blood
plasma, laboratory preparations or similar
substances and products covered by the
2007/47/EC Medical Devices Directive. Misuse
of the appliance can result in the stored products suffering harm or perishing. Furthermore,
the appliance is not suitable for operation in
potentially explosive atmospheres.
The appliance is set to operate within specific
ambient temperature limits according to its
climate rating. The correct climate rating for
your appliance is indicated on the type plate.
General safety information
uCompliance with the ambient temperatures
indicated is required, otherwise the cooling
performance is reduced.
- Keep the time the appliance is open to a minimum.
- The lower the temperature setting, the higher the power
- Store food logically. (see Appliance at a glance).
- Ensure that all food is well packed and covered for storage.
This will prevent frost from forming.*
for ambient temperatures of
- Remove food as needed in order that it does not warm too
10 °C to 32 °C
16 °C to 32 °C
- First cool warm food to room temperature before storing it .
- Defrost frozen food in the refrigerator.*
- If there is a thick layer of frost in the appliance: defrost the
16 °C to 38 °C
16 °C to 43 °C
Accumulated dust increases the energy
- Once a year, dust the refrigerating unit
together with the metal grille of the heat
exchanger at the back of the appliance.
1.3 Conformity
The refrigerant circuit is tested for leakage. The appliance
complies with the relevant safety regulations and EC Directives
2006/95/EC, 2004/108/EC, 2009/125/EC and 2010/30/EU.
Note for test institutions:
Tests are to be carried out according to the applicable
standards and guidelines.
Preparation and testing of the appliances must be carried
out taking the manufacturer's loading plans and the
notes in the operating manual into account.
1.4 Installation dimensions
Fig. 2
K 2330
550 559 591 1129 628 660 614 1175
K 2734
550 559 591 1129 628 660 614 1420
K 2734* 550 561 —
1127 629 —
614 1420
1.5 Saving energy
- Always ensure good ventilation. Do not cover ventilation
openings or grille.
- Do not place appliance in areas of direct sunlight or next to a
stove, heater or similar object.
- The energy consumption depends on the installation conditions, e.g. the ambient temperature (see 1.2) .
2 General safety information
Danger for the user:
- This appliance can be used by children of 8
years old and over, and also by persons with
restricted physical, sensory or mental
capacity or lack of experience and knowledge, if they are supervised or have been
instructed on safe use of the appliance and
understand the resulting risks. Children must
not be allowed to play with the appliance.
Cleaning and user maintenance must not be
carried out by children without supervision.
- When disconnecting the appliance from the
supply, always take hold of the plug. Do not
pull the cable.
- In the event of a fault pull out the mains plug
or deactivate the fuse.
- Do not damage the mains power cable. Do
not operate the appliance with a defective
mains power cable.
- Have any repairs to or intervention in the
appliance, and any change of the mains
power cable, carried out by the customer
service only or by other specialised personnel
trained for the purpose.
- Only assemble, connect and dispose of the
appliance according to the instructions.
- Please keep these instructions in a safe place
and pass them on to any subsequent owners.
- Special-purpose lamps (incandescent lamps,
LEDs, fluorescent tubes) in the appliance
serve to illuminate the appliance interior and
are not suited for room illumination.
Fire hazard:
- The refrigerant R 600a is environmentally
friendly but flammable. Escaping refrigerant
may ignite.
• Do not damage the refrigerant circuit pipes.
Controls and displays
• Do not allow naked flames or ignition
identifies a dangerous situation
sources to enter the appliance.
which, if not obviated, may result in
• Do not use any electrical appliances in the
damage to property.
interior (e.g. steam cleaners, heaters, ice
identifies useful information and tips.
cream maker etc.).
• If refrigerant escapes: remove any naked
flames or sources of ignition from the 3 Controls and displays
leakage area. Ventilate the room well.
Notify the after-sales service.
3.1 Operating controls
- Do not store explosives or sprays using
combustible propellants such as butane,
propane, pentane, etc. in the appliance. To
identify these spray cans, look for the list of
contents printed on the can, or a flame
symbol. Gases possibly escaping may ignite
due to electrical components.
- Keep burning candles, lamps and other items
Fig. 3
with naked flames away from the appliance
(1) Temperature controller
(2) Cool-Plus switch
so that they do not set the appliance on fire.
- Please be sure to store alcoholic drinks or
other packaging containing alcohol in tightly 4 Putting into operation
closed containers. Any alcohol that leaks out
may be ignited by electrical components.
4.1 Transporting the appliance
Danger of tipping and falling:
- Do not misuse the plinth, drawers, doors etc.
as a step or for support. This applies particu- Risk of CAUTION
injury and danger of damage as a result of incorrect
larly to children.
u Transport the appliance in a packed condition.
Danger of food poisoning:
u Transport the appliance upright.
- Do not consume food which has been stored u Do not transport the appliance without assistance.
too long.
Danger of frostbite, numbness and pain:
4.2 Installing the appliance
- Avoid lasting skin contact with cold surfaces
or refrigerated/frozen food or take protective
steps, e.g. wear gloves. Do not consume ice Fire hazard
due to dampness!
cream, water ice or ice cubes immediately If live parts or the mains lead become damp this may cause
short circuits.
and do not consume them too cold.
u The appliance is designed for use in enclosed areas. Do not
Danger of injury and damage:
operate the appliance outdoors or in areas where it is
exposed to splash water or damp conditions.
- Hot steam can lead to injury. Do not use electrical heating or steam cleaning equipment,
open flames or defrosting sprays to defrost.
- Do not use sharp implements to remove the
Risk of fire due to short circuit!
If the mains cable/connector of the appliance or of another
Please observe the specific information in appliance touch the rear of the appliance, the mains cable/
connector may be damaged by the appliance vibrations,
the other sections:
identifies a situation involving direct
danger which, if not obviated, may
result in death or severe bodily
identifies a dangerous situation
which, if not obviated, may result in
death or severe bodily injury.
identifies a dangerous situation
which, if not obviated, may result in
minor or medium bodily injury.
leading to a short circuit.
u Stand the appliance so that it is not touched by connectors
or main cables.
u Do not plug the appliance or any others into sockets located
near the rear of the appliance.
Fire hazard due to refrigerant!
The refrigerant R 600a is environmentally friendly but flammable. Escaping refrigerant may ignite.
u Do not damage the piping of the refrigeration circuit.
Putting into operation
Fire hazard and danger of damage!
u Do not place appliances emitting heat e.g. microwaves,
toasters etc. on the appliance!
Blocked ventilation openings pose a risk of fire and damage!
u Always keep the ventilation openings clear. Always ensure
that the appliance is properly ventilated!
Risk of damage due to condensate!
u Do not install the appliance directly alongside a further
q In the event that the appliance is damaged, contact the
u Clean the appliance (see 6.2) .
If the appliance is installed in a very damp environment,
condensate may form on the outside of the appliance.
u Always see to good ventilation at the installation site.
4.3 Changing over the door hinge*
You can change over the door hinges if necessary.
Make sure that the following tools are at hand:
q Torx® 15
q Torx® 20
q Torx® 25
q Screwdriver
q Supplied open-ended wrench
q If necessary, a second person to assist with installation
supplier immediately before connecting to the mains.
q The floor at the site must be flat and level.
q Do not install the appliance in a location where it is exposed
to direct radiation of the sun, next to a cooker, heater and
q Always stand the appliance with its back directly to the wall.
q The appliance may be moved only when it is empty.
q Do not install the appliance without assistance.
q Standard EN 378 specifies that the room in which you install
your appliance must have a volume of 1 m2 per 8 g of R
600a refrigerant used in the appliance. If the room in which
the appliance is installed is too small, a flammable gas-air
mixture may form in the event of a leakage in the refrigeration circuit. The quantity of refrigerant used in your appliance
is indicated on the type plate on the inside of the appliance.
the connecting cable from the rear of the appliance,
removing the cable holder at the same time because otherwise there will be vibratory noise!
Risk of injury if the door tips!
u Take good hold of the door.
u Set down the door carefully.
The stainless steel doors are finished with a high quality
surface coating and must not be treated with the enclosed care
as otherwise the surface coating will be damaged.
u Please only use a soft clean cloth to wipe the coated door
u Only use a stainless steel care product on the stainless
steel side walls, applying it evenly in the direction of
polishing. Subsequent cleaning will then be easier.
u Use only a soft clean cloth to wipe side walls and door
surfaces with a paint finish.
Remove the protective film from the decorative trims.
Remove all transit supports.
Dispose of packaging material (see 4.5) .
Align the appliance so that it
stands firmly and on a level by
applying the accompanying
spanner to the adjustableheight feet (A) and using a
spirit level.
u Then support the door: Extend
the adjustable foot at the turn
hinge (B) until it rests on the
floor and then make a further
90° turn.
Fig. 4
If the appliance is installed with the hinges next to a wall
Fig. 6 (4), the distance between appliance and wall has to be at
least 40 mm. This corresponds to the projection of the handle
when the door is open.
4.5 Disposing of packaging
Danger of suffocation due to packing material and plastic film!
u Do not allow children to play with packing material.
Fig. 5 On appliances with a freezer compartment
u Follow the sequence of the item numbers in the diagram.
4.4 Insertion into a row of kitchen units
The packaging is made of recyclable materials:
corrugated board/cardboard
expanded polystyrene parts
polythene bags and sheets
polypropylene straps
nailed wooden frame with polyethylene panel*
u Take the packaging material to an official collecting point.
4.6 Connecting the appliance
Risk of damage to the electronic control system!
u Do not use stand-alone inverters (conversion of d.c. to a.c./
three-phase) or energy saving plugs.
Fire and overheating hazard!
u Do not use extension cables or multiple socket outlets.
The type of current (alternating current) and voltage at the
installation site have to conform with the data on the type plate
(see Appliance at a glance).
The socket must be properly earthed and fused. The tripping
current for the fuse must be between 10 A and 16 A.
The socket must be easily accessible so that the appliance can
be quickly disconnected from the supply in an emergency. It
must be outside the area of the rear of the appliance.
u Check the electrical connection.
u Plug in the power plug.
Fig. 6
(1) Stack cabinet
(3) Kitchen cabinet
(2) Appliance
(4) Wall
The appliance can be inserted into a row of kitchen units. To
match the appliance Fig. 6 (2) to the height of the row of units,
a suitable stack cabinet Fig. 6 (1) can be fitted above the appliance.
When inserting the appliance into a row of kitchen units (max.
depth 580 mm), the appliance can be installed directly next to
the kitchen unit Fig. 6 (3). The appliance door projects relative
to the front of the kitchen unit by 34 mm at the side and by
50 mm in the middle of the appliance. It can be opened and
closed perfectly as a result.
Important for the ventilation:
- At the back of the stack cabinet there has to be a ventilation
duct of at least 50 mm depth throughout the width of the
stack cabinet.
- The ventilation space under the ceiling has to be at least
300 cm2.
- the larger the ventilation space, the more energy-saving the
appliance is in operation.
4.7 Switching on the appliance
Put the appliance into operation about 2 hours before first
loading food to be frozen.
u Turn the temperature control Fig. 3 (1) to the right, from the
0 setting to point 3.
w The interior light is on.
5 Control
5.1 Refrigerator compartment
The natural circulation of air in the refrigerator compartment
results in zones differing in temperature. It is coldest directly
above the vegetable drawers and at the rear wall. It is warmest
at the top front of the compartment and in the door.
5.1.1 Food refrigeration
u Store perishable food such as ready-to-serve dishes, meat
products and sausages in the coldest zone. Place butter
and preserves in the upper area and in the door (see Appliance at a glance).
u Use recyclable plastic, metal, aluminium and glass
containers and cling film for wrapping.
u Always store liquids and food which is subject to odour or
taste transfer in closed containers or cover them.
u Foods which give off a large amount of ethylene gas and
delicate foods, such as fruit, vegetables, salad, should
always be stored separately or wrapped so as not to reduce
the storage life; e.g. do not store tomatoes together with
kiwis or cabbage.
u Do not store food too close together to enable good air
u To safeguard bottles from tipping over: move the bottle
5.1.2 Setting the temperature
The temperature can be set between 1 (warmest temperature,
minimum cooling performance) and 7 (coldest temperature,
maximum cooling performance).
The middle control setting is recommended, then a middle
temperature of approx.5 °C is established in the refrigerator
To ensure ideal temperatures for storing frozen foods, a setting
of "4" to "7" on the temperature controller is recommended.
Selecting "7" makes it possible to achieve temperatures under
0 °C in the coldest part of the fridge compartment.*
An average temperature of approx. –18 °C is then established
in the freezer compartment*
u Turn the temperature control Fig. 3 (1).
The temperature depends on the following factors:
- the door opening frequency
- the room temperature at the site where the appliance is
- the type, temperature and quantity of frozen food
u Adjust the temperature as needed, using the control.
5.1.3 CoolPlus function*
At low room temperatures of 18 °C or lower:
u Press the Cool-Plus switch Fig. 3 (2).
w The deep temperatures in the freezer compartment are
w The appliance's interior lighting is lit on a dim setting
even when the door is closed.
Once the room temperature is again higher than18 °C :
u Deactivate the Cool-Plus Fig. 3 (2) switch manually.
u Lift the shelf and draw it out
u Insert shelf with the raised
edge pointing upwards at
the back.
w The food does not freeze
onto the rear wall.
Dismantling shelves
u The shelves can be dismantled for cleaning.
5.1.5 Using the sectioned shelf
Fig. 7
u The glass shelf with stop face (2) has to be at the back.
u The glass plate (1) with pull-out stops must be at the front so
that the stops (3) face downwards.
5.1.6 Door racks
Removing the storage rack
u Remove storage rack according to
Dismantling door racks
u At normal room temperatures, in excess of 18 °C, the CoolPlus switch should be turned off, as it is not required.
5.1.4 Shelves
Relocating the shelves
The shelves have stops preventing them from being unintentionally pulled out.
u The door racks can be dismantled for cleaning.
5.1.7 Removing the bottle holder
u Remove the bottle holder according
to the illustration.
6 Maintenance
6.1 Defrosting
6.1.1 Defrosting refrigerator compartment
5.2 Freezer compartment*
You can store frozen food for several months, make ice cubes
and freeze fresh food in the freezer compartment at a temperature of -18 °C and lower.
The air temperature in the compartment, measured by thermometer or other instruments, may fluctuate.
5.2.1 Freezing food*
2 kg fresh food/24 h is the maximum weight which can be
Risk of injury due to broken glass!
Bottles and cans containing drinks may burst when being
frozen. This applies particularly to sparkling drinks.
u Do not freeze bottles and cans containing drinks!
u To switch on Cool-Plus: press Cool-Plus button. Fig. 3 (2)
In order that the food is rapidly frozen through to the core, do
not exceed the following quantities per pack:
- Fruit, vegetables up to 1 kg
- Meat up to 2.5 kg
u Pack the food in portions in freezer bags, reusable plastic,
metal or aluminium containers.
u Spread the food over the shelf. Do not allow it to contact and
thaw items that are already frozen.
If the room temperature is higher than 18 °C:
u switch off Cool-Plus: press Cool-Plus button Fig. 3 (2) .
5.2.2 Storage times*
Guide times for storing various types of food in the
freezer compartment:
Ice cream
2 to 6 months
Sausage, ham
2 to 6 months
Bread, bakery products
2 to 6 months
Game, pork
6 to 10 months
Fish, fatty
2 to 6 months
Fish, lean
6 to 12 months
2 to 6 months
Poultry, beef
6 to 12 months
Vegetables, fruit
6 to 12 months
Storage times given are guide times.
5.2.3 Thawing food*
in the refrigerator compartment
at room temperature
in a microwave oven
in a conventional or fan oven
Food once thawed should be re-frozen only in exceptional
The refrigerator compartment is defrosted automatically. The
water evaporates. Drops of water on the rear wall are functionally conditioned and perfectly normal.
u Clean the drain hole at regular intervals to allow the defrost
water to drain (see 6.2) .
6.1.2 Defrosting freezer compartment*
A layer of frost and ice forms in the freezer compartment after
the appliance has been in use for a lengthy period of time. This
is quite normal. The layer of frost and ice forms more quickly if
the door is opened frequently or if the food is warm when
placed inside. However, a thick layer of ice will increase the
appliance‘s energy consumption. You should therefore defrost
the appliance regularly.
Risk of injury and damage as a result of hot steam!
u Do not use electric heaters or steam cleaners, naked flames
or defrosting sprays for defrosting.
u Do not remove ice using sharp instruments.
u Switch off the appliance.
u Pull out the plug.
u Leave the compartment and appliance door open during
u Remove detached pieces of ice.
u Clean the compartment (see 6.2) .
6.2 Cleaning the appliance
Risk of injury and damage as a result of hot steam!
Hot steam may damage the surfaces and cause burns.
u Do not use any steam cleaners!
Incorrect cleaning damages the appliance!
u Do not use cleaning agents in concentrated form.
u Do not use any scouring or abrasive sponges or steel wool.
u Please do not use any aggressive, scouring, sand-,
chloride-, chemical- or acid-based cleaning agents.
u Do not use chemical solvents.
u Do not damage or remove the type plate on the inside of the
appliance. It is important for the customer service.
u Do not pull off, bend or damage cables or other components.
u Do not allow any cleaning water to enter the drain channel,
ventilation grille or electrical parts.
u Please use soft cleaning cloths and a universal pH-neutral
cleaning agent.
u Please use cleaning and care products suitable for contact
with foodstuffs in the appliance interior.
u Empty appliance.
u Pull out the power plug.
u Clean the vent grille regularly.
w Dust deposits increase energy consumption.
u Clean plastic outer and inner surfaces with lukewarm
water and a little washing-up liquid.
7 Malfunction
u Clean drain hole: Remove
deposits with a narrow instrument, e.g. a cotton bud.
u Clean items of equipment by hand with lukewarm water
and a little washing-up liquid.
After cleaning:
u Wipe dry the appliance and items of equipment.
u Connect the appliance and switch it on again.
u Put the food back inside.
6.3 Changing the interior light
max. 15 W
Socket: E14
Type of current and voltage must conform with the details on
the type plate
Switch off the appliance.
Pull out the power plug or switch off
the fuse.
Take hold of the lamp cover.
As shown in the diagram, press open
the lamp cover on the inside at the
front, and pull it off to the side.
Change the bulb.
Put on the lamp cover again and
snap it into place.
Your appliance is designed and manufactured for a long life
span and reliable operation. If a malfunction nonetheless
occurs during operation, check whether it is due to a handling
error. In this case you will have to be charged for the costs
incurred, even during the warranty period. You may be able to
rectify the following faults yourself:
Appliance does not work.
→ The appliance is not switched on.
u Switch on the appliance.
→ The power plug is not properly inserted in the wall socket.
u Check power plug.
→ The fuse of the wall socket is not in order.
u Check fuse.
The compressor runs for a long time.
→ The compressor switches to a low speed when little cold is
needed. Although the running time is increased as a result,
energy is saved.
u This is normal in energy-saving models.
A LED on the bottom rear of the appliance (at the
compressor) flashes regularly every 15 seconds*.
→ The inverter is equipped with a diagnostic LED.
u The flashing is normal.
Excessive noise.
→ Speed-controlled* compressors may produce varying
running noise due to different speed steps.
u The sound is normal.
A bubbling and gurgling noise.
→ This noise comes from the refrigerant flowing in the refriger-
6.4 Customer service
ation circuit.
First check whether you can correct the fault yourself by reference to the list (see Malfunction). If this is not the case, please
contact the customer service whose address is given in the
enclosed customer service list.
Risk of injury if repair work is not carried out professionally!
u Have any repairs and action - not expressly specified - on
the appliance and mains cable carried out by service
personnel only. (see Maintenance)
u Read the appliance
Fig. 8 (1), service
No. Fig. 8 (2) and
serial No. Fig. 8 (3)
off the type plate
located inside the
appliance on the lefthand side.
Fig. 8
u Notify the customer service, specifying the fault, appliance
designation Fig. 8 (1), service No. Fig. 8 (2) and serial No.
Fig. 8 (3).
w This will help us to provide you with a faster and more accurate service.
u Keep the appliance closed until the customer service
w The food will stay cool longer.
u Pull out the mains plug (not by pulling the connecting cable)
or switch off the fuse.
u The sound is normal.
A quiet clicking noise.
→ The noise is produced whenever the refrigeration unit
(motor) automatically switches on or off.
u The sound is normal.
A hum. It is briefly a little louder when the refrigeration
unit (the motor) switches on.
→ The refrigeration increases automatically when fresh food
has just been placed in the appliance or the door has been
left open for a while.
u The sound is normal.
→ The ambient temperature is too high.
u Solution: (see 1.2)
Vibratory noise.
→ The appliance is not fixed to the ground. The running of the
cooling unit therefore makes objects and adjacent furniture
u Adjust appliance via the height-adjustable feet.
u Move bottles and containers apart.
The temperature is not cold enough.
→ The door of the appliance is not properly closed.
u Close the door of the appliance.
→ Insufficient ventilation.
u Clear ventilation grilles.
→ The ambient temperature is too high.
u Solution: (see 1.2) .
→ The appliance was opened too frequently or for too long.
u Wait until the appliance reaches the required temperature
itself. If not, contact the customer service. (see Maintenance).
→ The appliance is too close to a source of heat (stove, heater
u Change the position of the appliance or the source of heat.
The interior light is not on.
→ The appliance is not switched on.
u Switch on the appliance.
→ The bulb is faulty.
u Replace the bulb. (see Maintenance).
u If the bulb is defective, the CoolPlus function cannot be activated. In order to ensure that this function will work, the
defective bulb should be changed at the earliest opportunity.*
Interior light on half power when CoolPlus is switched
→ This is necessary for operational reasons.
u This is normal.
8 Decommissioning
8.1 Switching off the appliance
u Turn temperature control Fig. 3 (1) to 0.
8.2 Taking the appliance out of service
u Empty the appliance.
u Pull out the power plug.
u Clean the appliance (see 6.2) .
u Leave the door open to prevent odour.
9 Disposing of the appliance
The appliance contains some reusable materials
and should be disposed of properly - not simply
with unsorted household refuse. Appliances which
are no longer needed must be disposed of in a
professional and appropriate way, in accordance
with the current local regulations and laws.
When disposing of the appliance, ensure that the refrigeration
circuit is not damaged to prevent uncontrolled escape of the
refrigerant it contains (data on type plate) and oil.
u Disable the appliance.
u Pull out the plug.
u Cut through the connecting cable.
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF