Examples:
acid washed concrete floor
asphalt eroded black
asphalt fine cracked
asphalt grit
asphalt regular
asphalt rough
asphalt sewer cover
asphalt tarmac
asphalt track glossy
beach concrete damaged
beach concrete damaged 02
bricks concrete grey
bunker concrete damaged
burst asphalt road
bush desert sandy road
canopy concrete tiles
canopy diamond concrete tiles
carved concrete

ceramic tiles wheat roughness
chamfered enamel subway tiles
flamed earthenware mosaic tiles
honeycomb tile
italian venice floor mosaic tile
japanese porcelain
japanese roof tiles
old dirty tile wall
racing brake rotor ceramic
racing brake rotor composite
space shuttle tiles
tiles spanish diagonal
wall tile unstuck