action
activity
asphalt
blade
block
brick
capacity
cement
concrete
construction
contaminate
cover
curb
cut
cutter
design
dial
dirt
dirty
disk
dust
electricity
equipment
gard
grinding
hardware
industrial
industry
infrastructure
machinery
machines
material
mechanic
metal
plates
pollution
power
protection
roadworks
rotate
saw
sawing
stone
technology
tire
tool
transportation
vehicle
work
worker