Notes and Study material for Exams
Introduction India is very rich in forest Resources, with a large area under forest. All kinds of trees are found here varying from the deciduous, tropical hardwood trees to the evergreen and coniferous trees. Trees provide one with a wide range of products. From paper to paints, chemicals, housing and furniture, they … Read more
Construction Materials and clays Construction material is any material used for construction purpose such as materials for house building. Wood, cement, aggregates, metals, bricks, concrete, clay are the most common type of building material used in construction. The choice of these are based on their cost effectiveness for building projects. Many naturally occurring substances, such … Read more