利用する
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accumulator
alkaline
background
batteries
bin
brown
bucket
c
copy
cylinder
cylindrical
design
different
disposable
disposal
eco
ecology
electrical
electricity
element
energy
environment
equipment
expired
industry
light
many
metal
minus
negative
new
object
plus
positive
power
recharge
rechargeable
recycling
size
sorting
space
supply
technology
text
used
volt
voltage