Types of Paint

  Different types of Paint are: 1. Aluminium paint: This type of paint is made by mixing aluminum powder or flakes with a binding agent. I...

  • Grading of sand
          According to the state of  grains, sand is classified as fine, coarse and gravelly       Sand passing through a screen with clear open...
  • Timber: Classification of Trees
     Depending upon their mode of growth trees may be divided in the following two categories  (i) Endogeneous trees:  These trees grow inwards ...
  • Bulking of sand
            The presence of moisture in sand increases the volume  of sand. This is  due to fact that  moisture causes film  of water around the...