Pakistan, July 24 -- Construction is a major industry throughout the world; accounting for a sizeable proportion of most countries' Gross Domestic Product (GDP). The rise of Japanese/German/European economies to the present state from the ashes of World War-II, behind the magnificent industrial, agro-based and housing structures, is largely attributed to the construction industry. The construction industry has a snow-ball effect on the whole economy in a chain-like reaction. Some industries that benefit are cement, iron, steel, timber and wood, marble, tiles and stones, electrical and sanitary works, glass, paints and varnishes, electrical lightning, power and gas, horticulture, interior decoration, transport, light-heavy construction mac...