申請中
機器
asphalt
asphalt surface
bitumen
building
cement
concept
concrete
construction
coworker
development
equipment
fresh
gravel
heavy
industrial
industry
laying
machinery
maintenance
making
mix
new
pavement
paving
preparation
preparing
project
rakes
raking
renovation
repair
road
roadwork
shovel
site
stones
street
structure
teamwork hands
three
together
tools
unpressed
utilities
work
worker
workers
working