英文關鍵字
activity
architecture
background
build
builder
cement
concrete
concreting
construction
contractor
design
equipment
floor
flooring
foundation
gravel
heavy
industrial
industry
infrastructure
iron
jobs
liquid
machine
make
man
mason
masonry
material
metal
mixed
mixer
mixing
mobile
new
pattern
plasterer
plastering
pour
pouring
process
project
ready
readymixed
rebar
reinforced
reinforcement
road
safety
sand
screed
site
spatula
steel
structure
texture
tool
using
vibrations
wet
wooden
work
worker