Question : To visit a town or village after a few years of absence, note down the major developmental changes there. impliesMajor developmental changes in a village are, (i) New roads have been built (ii) New houses have been constructed. (iii) Factory and new market have been setup. What are the ways in which the materials used in construction can be reduced ?

Question : To visit a town or village after a few years of absence, no

1.	Question : To visit a town or village after a few years of absence, note down the major developmental changes there. impliesMajor developmental changes in a village are, (i) New roads have been built (ii) New houses have been constructed. (iii) Factory and new market have been setup. What are the ways in which the materials used in construction can be reduced ?
Answer» Solution :(1) ROADS can be built with cement or with polymer plastic mix instead of coaltar. ( 2 ) By using cement and iron to make BEAMS and by using aluminium or fibreglass to make WINDOWS and doors, we can reduce the USAGE of wood.