Learning Task no 4 1.cutting of trees 7.throwing detergents into the sewage 2.shaping of wood to make furnitute 8.killing animals in the forest 3.hammering/shaping iron to make 9.sewing fabric tp make clothes Bolo 4.burning of old tires 5.shredding paper for paper mache 6.cooking of food Useful 10.dumping garbage into the river F​