機器
armature
bars
build
builder
casting
cement
concrete pouring
concreting
construction
construction site
contractor
development
engineering
equipment
finishing
form
industrial
industry
infrastructure
iron
labor
liquid
machinery
masonry
material
mortar
people
pour
pouring
process
pump
pumping
quality
reinforcement
site
steel
strength
structure
technology
vibration
wet
work
workman