bottles

business

center

concept

conveyor

discard

dispose

dump

ecology

environment

factory

garbage

green

industry

junk

junkyard

landfill

litter

machine

many

metal

modern

planet

plant

plastic

pollution

process

recycle

recycling

refuse

renewable

reusable

reuse

reused

rotate

rubbish

save

scrapyard

separation

sort

thrown

trash

unwanted

used

utilisation

utilization

waste

wastepaper

wrapping