機器
building
business
cable
cargo
chain
closeup
construction
crane
engineering
equipment
factory
gear
hang
hanging
heavy
high
hoist
hoisting
hook
industrial
industry
iron
lift
lifting
load
machinery
mechanical
mechanism
metal
object
overhead
part
pulley
rope
safety
site
sling
steel
strength
strong
structure
technology
tool
transportation
weight
winch
wire
work