Q. The diagrams below show how glass containers such as bottles, are produced and recycled. Write a report of minimum 150 words consisting of the main features.
The illustrations explain the procedure of making glass containers like bottles along with the process of glass recycling.
It is apparent from the first diagram that first of all, sand, soda ash, limestone and other chemicals are mixed. After this, the mixture is melted in a glass furnace at a temperature of approximately 1500°C. Further, in order to provide shape, molten glass is blown and finally, glass containers are manufactured.
Additionally, for the process of recycling glass, five steps are followed. To begin with, used glass is collected followed by classification of glass according to colour. Next, washing is done in order to discard impurities. After crushing and melting, the glass is moulded into new products in the last step.
Hence, from the overall analysis, it is evident that all the steps are necessary to be followed in both the processes. If any step is omitted, the process will come to a halt.
REFERRAL POINTS:
Diagrams - Manufacturing of glass containers and recycling of glass shown.
Diagram 1 - Different materials are mixed // Melting is done in glass furnace at approximately 1500°C // Molten glass is blown to give shape // Glass containers are made.
Diagram 2 - Used glass is collected // Classified by colour // Washing is done to discard impurities // Crushing and melting is done // Finally, glass is moulded into new products.
VOCABULARY:
Procedure: process // clear: apparant, evident // remove: discard // sorted: classified // omitted: missed // halt: stop
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