The use of a material depends on its properties.
-The material used to make clothes should be thin and light. But will you wear clothes made of pape What problems would you have if you did? What property should the material for making clothes hast that paper does not have?
-Will you use wood to make cooking utensils? Why?
- Will you use iron for making window panes? Why?
some ases of cach elass of materials and the reasons for the usage are discussed below.