機器
architecture
big
build
builder
building
cement
concrete
construction
contractor
deliver
delivery
development
engineering
equipment
hard
heavy
industrial
industry
machinery
metal
mix
mixer
mixing
new
outdoors
professional
ready
sand
scaffold
scaffolding
site
steel
supply
tank
transport
transportation
transporter
truck
unload
unloading
urban
vehicle
work
workplace
yard
yellow