building a composite material
the recycle of old newspaper has saved the environment. when 1 tonne of paper is recycledeach year, 7000 gallons ofwater, 4200 kilowatt-hour of energy and 17 trees aresaved. old newspaper can also reused in the production of products such as baskets, bag handles and paper mache ‘. starting from this simple effort, you have play a role in building a safe, healthy dan beautiful world. draw/build a composite material. your drawing/ model must combine at least two of the following substances alloy glass ceramic composite material
membina bahan komposit
kitar semula surat khabar lama telah menyelamatkan alam sekitar. apabila 1 tan kertas dikitar semula setiap tahun, 7000 gelen air, 4200 kilowatt-jam tenaga dan 17 pokok disimpan. surat khabar lama juga boleh digunakan semula dalam penghasilan produk seperti bakul, pemegang beg dan paper mache’. Bermula daripada usaha mudah ini, anda telah memainkan peranan dalam membina dunia yang selamat, sihat dan indah. melukis/membina bahan komposit. lukisan/ model anda mesti menggabungkan sekurang-kurangnya dua daripada bahan berikut aloi bahan komposit seramik kaca