aluminum
アルミニウム
abstract
aluminium
architecture
background
building
construction
design
detail
equipment
extrusion
factory
frame
grey
house
industrial
industry
instrument
iron
light
manufacture
manufacturing
material
metal
metallic
paper
pipe
pipeline
plant
plate
production
profile
section
shape
silver
square
stack
steel
stock
storage
storehouse
structure
texture
tool
tube
warehouse
white
window
work
workshop