英文關鍵字
aerated
block
brick
brickcellular
brickwork
builder
building
carpenter
cement
clothing
concrete
construction
contractor
control
cottage
engineer
estate
foreman
hardhat
helmet
home
house
industry
job
laborer
made
man
occupation
opening
porous
process
professional
project
projection
protective
real
reflective
safety
service
site
stand
stands
tape
vest
wall
window
work
worker
working
workplace
yellow