barrel
bottle
can
chemical
chemistry
closeup
color
container
danger
dirty
drum
dump
environment
factory
fuel
gallon
garbage
handle
hazardous
industrial
industry
job
liquid
material
metal
oil
old
open
paint
pollution
recycling
rust
rusty
safety
separate
solvents
stain
steel
storage
substance
surface
tank
toxic
trash
waste
work