英文關鍵字
action
align
architecture
basement
boom
boots
build
builder
building
cement
cementing
concrete
concreting
construction
constructor
dirty
engineering
equipment
floor
flow
foundation
frame
fresh
gravel
hose
house
industrial
industry
iron
labor
liquid
man
material
metal
mix
people
pouring
rebar
reinforcement
site
steel
work
worker
workman