英文關鍵字
structure
industry
industrial
equipment
concreting
worker
cement
concrete
construction
mixer
mixing
site
metal
workflow
architecture
work
machinery
reinforcement
pipe
infrastructure
engineering
contractor
business
builder
technology
build
foundation
floor
tool
rebar
reinforced
process
filling
iron
project
action
cementing
job
material
mortar
activity
people
building