英文關鍵字
assembling
assembly
builder
building
carpenter
cement
concrete
concreter
confident
construct
constructor
contractor
craftsman
development
drill
drilling
engineer
equipment
erector
floor
foremaster
frame
hardhat
helmet
industry
inspector
installer
installing
joiner
labor
laborer
labour
labourer
man
millwright
panel
panels
rigger
safety
site
slab
technology
worker
workwear