6) What is the recommended maximum size of aggregate in mm for RCC works to all precast items such as wash basin?

7) What is the approximate period required in days for concrete should be kept in curing?

8) Which plaster thickness of not more than 25 mm finished surfaces resemble very much as marble finish?

9) Which type of bricks are used in construction such as bridges, storage buildings etc?

10) Which bond of bricks are laid cross wise with 5 cm lap each coarse?