The diagram show how use glass bottles are recycled.

The diagram illustrates the process by which used glass bottles are recycled.

Overall, , the recycling of glass bottles consists of thrid stages, starting with taking bottles from customers used them, and ending with selling them in supermarkets to customers.

In the first stage, customers used bottles, and subsequently a collection point for recycled. After bottles are recycled,it is transported by truck to glass factory. In the second stage,when bottles are delivered glass factory,it will cleaning plant and high-pressure water.Then,it includes namely green,brown and clear in the glass factory and is changed in pieces. Subsequently, pieces undergo heating in a furnace, leading to a liquid. This liquid combined with new liquid glass, created a mould.
In the third stage,this mould will filling and packing carefully to it is delivered to supermarkets. Finally, customer will go to supermarket ang buying them, completing the recycling cycle. Therefore ,this is an indispensable element for recycled glass bottles.

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A diagram is a general term for an instructional drawing. Try to be more specific when it comes to the image description. In this case, you are dealing with a procedural diagram, since it gives instructions regarding glass bottle recycling. Your overview is less than 40 words. This means you do not meet the minimum word and sentence requirement for the TA preliminary score. You need at least 40 words covering at least 2 sentences. This is best achieved by combining the overview and the trending statement in the same paragraph. The trending sentence cannot be a stand alone sentence. It must be part of the overview.

There should be 4 paragraphs in this presentation. Every stage must be explainined within one paragraph of 3 sentences each. Writing in that manner allows you have a better overall scoring consideration because you will have covered the most important aspect of the presentation, the clarity of your explanation.