機器
background
big
black
building
business
cable
cargo
carrying
chain
closeup
construction
control
crane
development
engineering
equipment
factory
hanging
heavy
hoist
hook
hooks
industrial
industry
iron
large
lift
lifting
load
machinery
manufacturing
metal
object
overhead
part
plant
power
pulley
rope
steel
strong
system
technology
tool
transport
weight
winch
wire
work