abstract
alloy
apocalypse
background
bag
ballon
block
bottle
brick
butane
concept
construction
container
cooking
crisis
cylinder
dirty
distressed
energy
engineering
equipment
expensive
factory
fuel
gas
grunge
heavy
household
ideas
industry
lathe
manufacture
manufacturing
messy
metal
obsolete
old
production
propane
rough
space
storage
store
tank
technology
wall
war
warehouse
weathered
work