abstract
alloy
aluminum
angle
angular
art
backdrop
background
brightly
bronze
cladding
construction
design
framework
futuristic
geometric
geometry
gold
gray
hard
industrial
industry
iron
light
material
metal
metallic
modern
multiple
pattern
plate
reflection
reflective
shell
shiny
silver
silvery
space
specular
stainless
steel
surface
symmetrical
tech
texture
textured
triangle