機器
alloy
aluminum
architecture
background
bending
building
construction
design
engineering
equipment
fabrication
factory
galvanized
gray
industrial
industry
iron
manufacture
manufacturing
material
metal
metallic
metalwork
panel
pattern
plant
plate
press
processing
production
roof
safety
sheet
silver
stack
stainless
steel
surface
technology
texture
tile
tool
wall
warehouse
work
workshop
zinc