8
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 ge 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 ain in si 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,
,
）
l
e
w
o
t
（
r
e
p
a
p
n
e
h
c
ti
k
,
s
y
a
r
t
,
m
a
o
f
o
r
y
t
s
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
