20mm thick black, red or chocolate terrazo skirting or dado, rubbed and polished to a granolithic finish, under layer 8mm thick cement sand plaster 1:3 and 12mm thick with 7mm to 10mm 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.)