R1O1O1F4I1N1G2
11 points
ROOFING is validvalid
material for a roof [n ROOFINGS] / ROOF, to provide a building with an external upper covering [v]
material for a roof [n -S]
material for a roof [n ROOFINGS] / ROOF, to provide a building with an external upper covering [v]
material for a roof [n -S]