英文關鍵字
above
activity
car
chaos
chaotic
copter
digger
dirty
disordered
drone
dump
ecology
engine
environment
equipment
garbage
grabber
heap
industrial
industry
junk
junkyard
landfill
loading
machinery
manufacture
matted
metal
old
pile
plant
pollution
power
recycle
recycling
rusty
scrap
scrapyard
stack
steel
trash
view
waste
work
yard