英文關鍵字
architecture
armature
build
building
construct
construction
contracting
development
employment
engineering
equipment
fits
fittings
fix
floor
form
house
improvement
indoors
industrial
industry
infrastructure
installation
iron
jobs
materials
mechanical
metal
metallic
new
pile
piping
process
project
reinforcement
repair
site
steel
strength
structure
supply
technology
urban