機器
利用する
auto
automobile
awareness
bottle
car
chemistry
container
diesel
discard
disposal
dispose
ecology
empty
engine
environment
environmental
flammable
fuel
full
gallon
garbage
gasoline
handle
industry
isolated
lube
lubricant
lubrication
motor
oil
petrol
plastic
pot
protect
protection
recycle
reduce
repairing
reserve
reuse
set
storage
synthetic
transportation
trash
used
waste
white