英文關鍵字
action
activity
architecture
background
becket
blue
board
build
building
business
cable
cargo
cement
cloud
concepts
concrete
construct
construction
cord
crane
delivering
equipment
facilities
flagstone
freight
handling
hawser
hoisting
hook
industry
lanyard
lift
lifting
load
loader
machinery
metal
operations
panel
rope
site
sky
slab
sling
top
unloading
weight
wire
work