The cementitious substrate, particularly when concrete, may be {HEAD ~ any type} of a floor, walk, {TAIL ~ driveway} or other horizontal surface or any type of a vertical surface such as a concrete wall or any slanted surface 
of
The cementitious substrate , particularly when concrete , may be { HEAD ~ any type } of a floor , walk , { TAIL ~ driveway } or other horizontal surface or any type of a vertical surface such as a concrete wall or any slanted surface
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH