機器
background
bucket
build
building
cement
clinker
component
concrete
construction
dry
employment
equipment
gravel
gray
gyan
hoe
improvement
industrial
industry
infrastructure
isolated
job
jobs
labor
manual
manufacturing
masonry
material
mattock
mix
mixer
outside
pave
paving
pour
powder
professional
rake
raw
repair
roadworks
service
shovel
site
spade
structure
subcontractor
surface
tank
texture
trowel
work
worker
works