機器
activity
background
black
bolt
build
cargo
chain
chains
chisel
clipart
connection
construction
crane
development
equipment
hang
hanging
heavy
hoist
hold
hook
illustration
industrial
industrials
industry
iron
isolated
latch
lift
lifting
linchpin
lock
machinery
metal
object
part
pin
pulley
render
rusty
steel
strength
strong
tool
trench
up
vertical
weight
white
winch
work