What's waste? It can be any plastics, paper, glass, metal, foods, chemical substances, Wooden, oil, soil, effluents, liquids which were discarded. How the squander gets generated originates from industrial, domestic and industrial resources. Sewage sludge is yet another source. Domestic and municipal squander is generated from the use of products, https://israelccimo.pointblog.net/hop-skip-on-the-dump-72864912