backdrop
background
blank
brute
buildings
cement
chalk
concrete
crude
design
electric
electrical
electricity
elements
filthy
floor
gray
gross
grounding
house
lime
material
messy
muddy
napless
nasty
natural
nobody
outlet
parget
plaster
plastering
plug
primer
priming
rough
rude
rugged
scabrous
scratches
socket
space
spot
stone
stucco
surface
texture
textured
wall
white