abstract
alloy
aluminum
backdrop
background
chrome
coated
construction
continuous
design
dirty
floor
gray
hard
heavy industry
heavy metal
industrial
industry
iron
machinery
macro
material
metal
metal texture
metallic
ongoing
panel
pattern
plate
platinum
polished
repetitive
sheet
sheet metal
shine
shiny
silver
smooth
stainless
stainless steel
steel
stripped
strong surface
surface
texture
textured
wallpaper