機器
background
cable
cargo
chain
construction
crane
danger
device
electric
engineering
equipment
factory
hang
hanging
heavy
helmet
high
hoist
hook
industrial
industry
labor
level
lift
lifting
load
material
metal
move
operator
rail
risk
rope
safety
site
sling
steel
storage
structure
support
technology
tool
up
weight
winch
work
worker
workshop
yellow