Manufacture Essay

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This diagram explains about the process of the glass production and  glass recycling.

Overall, the producing process consists of  4 stages, beginning with the mixing of materials and ending up with the glass containers. The recycling process consists of 5 stages, beginning with the collection of a used glass and ending up with the molding into new products.

The first stage is glass production. First of all, the raw material such as sand, soda ash, limestone, and other chemicals are mixed. Then, the raw material is melted in a glass furnace with the temperature approximately 1500°C. The melted raw material is then shaped by molten glass blowing technique. Next, the shaped glass is put into a glass container.

The second stage is glass recycling, first of all is the collection of used glass. Then, the used glass is sorted by the color. After that,  the used glass are washed to remove impurities. Next, the product are crushed and melted. The last step, the glass is moulded into a new product.

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