英文關鍵字
access
and
anticorrosion
building
cargo
construction
counterweights
crane
elements
engineering
equipment
factory
frame
framework
gantry
hangar
heavy
hooks
indoors
industrial
industry
infrastructure
lifting
machine
machinery
manufacturing
mechanic
mechanical
metal
metallization
metalwork
overhead
plant
products
stairs
steel
steelworks
structure
suspended
technology
transport
transportation
traverse
traverses
truss
warehouse
work
workplace
workshop