abstract
aluminum
background
bundle
chrome
composition
compressed
crushed
demolishing
design
dirty
dump
environment
facility
foil
folds
foundry
garbage
gloss
gray
grunge
horizontal
industry
junkyard
landfill
layout
metal
metallic
nobody
object
part
pattern
recycling
recycling center
scrap
shiny
silver
smelter
stack
steel
structure
texture
wallpaper
waste