aluminium

aluminum

backdrop

background

banner

bar

billets

black

blanks

bright

business

closeup

commerce

construction

engineering

equipment

factory

film

glittering

glowing

graphic

group

heap

heavy

horizontal

industrial

iron

leak

light

lump

machine

manufacture

manufacturing

material

metal

metallic

motion

overlay

paper

pattern

production

raw

ray

shape

shiny

stacked

steel

structure

surface

technology

texture

warehouse

white