The diagrams illustrate the process of production and recycling glass containers, such as bottles.
A cursory glance at the diagrams is enough to make it clear that recycling process has more steps than production process. Glass production has four steps which is stared by some raw materials such as sand, soda ash, limestone and other chemicals. While, flow recycling diagram has five steps and it begun by pack of used glass.
According to glass production diagram, in the first step, raw materials, namely sand, soda ash, limestone and other chemicals are mixed together. Then glass furnace with 1500 °C temperature melt all materials. In third step which is named shaping, the molten glass is blown and in the last step, glass Containers are produced.
I below dingram shows that glass recycling is consisted of a five-step process. A Collection of used glass could be seen in the first step which are sorted by Colour in the step two. Then all the glass are washed for the purpose of omitting impurities. After that, they are broken to small pieces and melted and are ready to be molded into new goods.