英文關鍵字
activity
architecture
build
builder
building
cement
cementing
concrete
concreting
construction
contractor
engineering
equipment
finishing
fittings
floor
floors
gravel
hose
industrial
industry
infrastructure
iron
job
labor
level
liquid
machine
metal
night
pour
pouring
process
project
pump
rebar
reinforcement
safety
site
slab
spider
stable
steel
structure
tool
wet
work
worker
workers