25) Which floor is convenient to carryout plumbing and electrical installation without affecting the appearance?

26) Which floor do not require form work during construction?

27) What is the proportion of lean cement concrete used in cement concrete floor?

28) Which floor wax is applied as a final coat of polishing to get glossy surface?

29) Which floor with a concrete base is spread and levelled with 5 to 8 cm thick lime-surkhi mortar?