機器
automate
belt
carry
closeup
conservation
conveyor
divide
dump
ecofriendly
ecology
environment
environmental
equipment
fabric
factory
garbage
industrial
industry
junk
line
litter
machinery
material
piece
plant
pollution
procedure
process
production
recycling
reprocess
resource
responsibility
rubbish
separate
sort
sustainable
tank
technology
tool
transport
trash
treatment
utilization
waste
workshop