Material Used for Patterns : The common materials of which the patterns are made of the following :

            1. Wood: The common woods are :

            (i)   Pine                                                (ii)  Deoder

            (iii) Teak                                               (iv)  Kail

            (iv) Shisham                                         (vi)  Mahogany

            2. Metal: The common metals are :

            (i)   Cast iron                                           (ii)   Brass

            (iii)  Aluminium and its alloys              (iv) White metal

            3. Plaster: Plaster of paris and gypsum cement are used.

            4. Plastics

               5. Wax