英文關鍵字
aerated
architect
block
blocks
brick
builder
building
carpenter
cellular
communication
concrete
construction
contractor
control
documentation
down
drawing
engineer
engineering
estate
foreman
hardhat
helmet
home
house
industry
job
man
manager
materials
occupation
person
plan
porous
professional
project
protective
real
reflective
rest
safety
signal
sit
site
standing
studies
vest
wall
work
worker
workplace