機器
auto
automobile
big
blend
blender
blue
build
builder
building
business
car
cargo
cement
concrete
construction
contractor
deliver
delivery
drive
dump
engineering
equipment
hard
heavy
industrial
industry
isolated
labor
lorry
machinery
material
mix
mixer
mixing
pour
road
sand
site
sky
steel
tank
transport
transportation
truck
urban
vehicle
wheel
white
work