機器
arm
attachment
building
close up
construction
crane
demolition
disposal
dump
environment
equipment
excavator
garbage
garbage dump
grab
grabber
grapple
grip
heavy
heavy machinery
hydraulic
industry
iron
junk
junkyard
load
loader
machinery
mechanical
metal
processing
recycling
reuse
reusing
scrap
site
steel
technology
trash
truck
vehicle
waste
work
wreckage
yellow