機器
automobile
bag
big
brick
builder
building
car
cartoon
cement
classic
concrete
construction
container
crane
delivery
electric
equipment
gravel
hand
icon
industrial
isolated
masonry
material
metal
mix
mixer
packing
pictogram
plaster
pour
raw
road
sack
shovel
technology
tool
toy
truck
vehicle
white
work
worker
working
yellow