機器
aluminium
aluminum
background
blue
bright
building
business
closeup
coat
coated
coating
color
colorful
construction
decoration
design
detail
dry
dye
equipment
extrusion
factory
green
industrial
industry
iron
line
material
metal
metallic
natural
nature
orange
organic
paint
pattern
pigment
powder
profile
protection
red
sprayer
steel
surface
technician
texture
white
work
yellow