利用する
aa
accumulator
alkaline
background
batteries
cell
charge
color
cylindrical
design
disposable
disposal
eco
ecology
electrical
electricity
element
energy
environment
equipment
expired
green
industry
ion
isolated
lithium
many
material
metal
minus
negative
new
object
plus
positive
power
recharge
rechargeable
recycle
recycling
shape
size
sorting
supply
technology
three
volt
voltage
white