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?

30) Which floor is used for surface subjected to heavy wear like dairies and hospital?

31) What is the ratio of cement mortar used to fix tiles on floor?