英文關鍵字
activity
architecture
build
building
business
casting
cement
chute
concrete
concreting
construction
contractor
design
dirty
employment
engineering
equipment
finisher
fitter
flatten
floor
flow
flowing
foundation
house
industrial
industry
infrastructure
machine
machinery
man
manually
mesh
metal
mixing
pipe
pour
rebar
reinforced
reinforcement
rigger
site
slab
spreading
structure
technology
truck
work
worker