abstract
alphabet
backdrop
black
brown
chain
corrosion
dark
dirty
factory
figure
font
fuse
grain
gray
grid
grunge
grungy
hard
industrial
iron
letter
mesh
metal
metallic
old
rust
rusty
shape
sheet
slab
square
stain
steel
strong
structure
surface
text
texture
textured
type
typographer
typographic
typography
vintage
y