20mm thick black, red or chocolate terrazo skirting or dado, rubbed and polished to a granolithic finish, layer 11mm thick cement sand plaster 1:3 and 9mm thick with 4mm to 7mm gauge, white marble laid chippings from indigenous marble laid in 1:1½ (50 Kg of ordinary grey cement with admixture of black, red or chocolate pigment to give required back ground and 0.05 cum of marble chippings (including rounding of junctions.)