機器
3d
3d illustration
3d rendering
apparatus
bar
beam
building
construction
electric
electricity
equipment
factory
frame
heavy
illustration
industrial
iron
job
knot
light
material
metal
metallic
metallurgy
metalwork
object
portable
power
product
professional
rebar
rebars
reinforcement
reinforcing
roll
rolled
safety
shape
shining
steel
strong
structural
structure
tie
tied
tool
work