機器
art
asphalt
background
break
breaker
build
chisel
construction
demolition
destroy
destruction
dig
drill
drilling
equipment
flat
hammer
heavy
hydraulic
icon
illustration
industrial
industry
isolated
jack
jackhammer
line
pavement
pneumatic
portable
power
powerful
pressure
pressured
repair
shape
sign
simple
sketch
style
symbol
technology
tool
vibrate
vibration
white
work
yellow