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Bài viết mẫu IELTS – Water purification process – IELTS Task 1: Process

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Bài viết mẫu IELTSWater purification process – IELTS Task 1: Process

The diagram below shows a process for turning dirty water into clean water. Summarise the information by selecting and reporting the main features, and make comparation where relevant.

The diagram shows the process of dirty water being passed through a simple water filter until it finally comes out as clean water.


Initially, dirty, muddy water is poured out of what appears to be a clear glass into the open end of a dear container. The first section of the large container that the dirty water reaches is a layer of filter paper.


The water passes through the filter paper and continues on downward to pass through the next layer of filtration – gravel and small rocks. Once it has passed through this layer, it continues on to the next layer – fine sand.


The last layer of filtration which follows is a cotton wool filter. Once the water has passed through this layer it finally appears as dean water.
Thus, it can be seen that even though dirty water is poured in at the beginning of the filtration process, once it has passed through the 4 levels of filtration (filter, paper, graver/small rocks, fine sand and a cotton wool filter), it emerges as clean water.

Tìm kiếm chủ đề khác: cách tính điểm listening ielts, xu hướng giảm trong Writing Task 1, xu hướng tăng trong Writing Task 1


Đăng ký bộ dự đoán đề thi IELTS, Sách/tài liệu IELTS: LINK ĐĂNG KÝ

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