英文關鍵字
above
automatic
automation
beam
block
building
cargo
carry
cathead
construction
cover
crane
drag
engineering
equipment
factory
frame
gantry
girder
hall
hang
heavy
height
high
hoist
hook
indoor
industry
kilogram
lift
lifting
load
manufacturing
metal
over
overhead
portal
rope
steel
strength
strengthen
strong
tons
transport
traveling
weight
wire
work
yellow