7
8
5.What to insert
Items that may be inserted
Items difficult to process
Large food waste
Soft and resilient food waste
Egg shells
Food scraps
Vegetable scraps, fruit scraps, (cooked) rice, fish meat. bones of small
fish (sardines etc.）, chicken bones such as the upper portion of chicken
wings, meat. noodles, bread, fried food, tea leaves, leftovers, etc.
The following food waste may be inserted in the
garbage disposer, but may remain inside the grinding
chamber or the drain pipe, as they are difficult process.
Large leaves of cabbage and lettuce ; skins
of grapefruit, watermelon, melons, etc.
Raw fish skins, chicken skins and cartilage.
A large amount of egg shells inserted all at once will
accumulate in the drain pipe and may cause clogging.
Cut them into small 3cm cubes before dropping.
Mix a small amount with other food waste for disposal.
Mix a small amount
（one or two shells）
wit h ot her f ood
waste.
A small amount of fibrous food waste
（A small handful of） soybean pods, etc.
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soybeans only, egg shells only, tea leaves only, for example）. They may not be
processed and will remain in the grinding chamber, clogging the drain pipe.
M i x a s m a l l
a m o u n t w i t h
other food waste
for disposal.
Cut into
In a small
small pieces!
amount!
In a small
In a small
amount!
amount!
Items not to be inserted
The following items, if inserted, will damage the garbage
disposer or remain inside the disposer without being crushed.
Type
Example
Resulting problems if inserted
Metals
Spoons, forks,
bottle caps, etc.
T h ey w ill d a m a g e t h e
rotating blade or cause
faulty movement. resulting
i n m a l f u n c t i o n o f t h e
garbage disposer.
They will not be crushed
and r emain inside the
garbage disposer.
They may be crushed by
the gar bage disposer,
but will accumulate in
the drain pipe, causing
clogging.
They will damage the garbage
disposer or the pipe.
T h e y w ill d e t e r i o r a t e t h e
garbage disposer unit or the
p i p e a n d i n t e r f e r e w i t h
processing in the wastewater
treatment tank.
T h e y w ill r e m a i n insi d e
the garbage disposer or
accumulate in the drain
pipe, causing clogging.
Broken pieces of cups,
bottles, etc.
Plates, bowls,
chopstick rests, etc.
Crab shells; bones of
large fish such as sea
bream; hard seeds of
squash, persimmon, and
peach; big bones of beef,
pork, chickens, etc.
Raw fish skins, chicken
skins, a whole octopus or
squid, etc.
Oysters, turban shells,
l i t t l e n e c k c l a m s ,
freshwater clams, etc.
Hot water, oil, heated
curry, etc.
L a r g e a m o u n t s o f
mayonnaise, oil, and
acid/alkaline-based
detergent
Throwaway chopsticks, toothpicks,
chewing gum, plastic, rubber, paper,
plastic bags, wrap, aluminum foil,
,
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tissue paper, wire, stones, sand, cigarette
butts, etc.
Sheaths of bamboo shoots,
pineapple core/shells, corn
husks, chestnut shells,
onion skins, large amounts
（hands full）of soybean pods,
fresh flowers, flower stems,
etc.
Glass
Ceramics
Hard food
waste
Fibrous
waste
Seashells
Oil and
chemicals
Non-food
waste
High-temperature
food
A large amount
of raw fish or
chicken skins
