機器
background
beam
carry
chain
china
construction
crane
cranes
engineering
equipment
factory
gantry
girder
hang
heavy
high
hoist
hook
indoor
industrial
industry
iron
large
lift
lifting
load
machinery
maintenance
manufacturing
mechanics
metal
over
overhead
plant
power
rope
sling
station
steel
strong
tons
tool
transport
transportation
warehouse
weight
wire
work
yellow