Process Diagram

Band 8+: The diagrams below show a simple method of filtering and storing water for household use

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Image for topic: The diagrams below show a simple method of filtering and storing water for household use

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The image shows a diagram of a cross-section filter and a simple outdoor filling and storage system; the cross-section filter consists of a 200L metal container with an inlet, an outlet, and three layers: a sand filter at the top, tiny stones in the middle, and pipe holes at the bottom; the simple outdoor filling and storage system contains an untreated water source feeding into a sand filter, then into a storage section, which connects to a tap for household use.

Given the complexity of the image, the above description may not be entirely accurate.

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The provided diagrams illustrate a cross-section of a water filter and the process of outdoor water filling and storage.

Overall, the cross-section of the filter encompasses three main layers with a couple of in-out pipes. The filling and storage system involves four key stages, with water being transferred by pipes downwards.

Specifically, regarding the cross-section of the filter, water flows via an inlet pipe, which is connected to the 200-litre metal container and the first layer on the top – sand filter. The water then penetrates the second layer: a layer that contains tiny stones. After that, the water permeates the third layer (pipe holes) before being released through an outlet pipe.

In terms of an outdoor filling and storage system, untreated water is stored in a small tank. This is then transferred to a sand filter to remove any impurities and residual contaminants. Subsequently, the purified water is sent to a storage tank. A tap is installed on the pipe to control the water flow when not in use, which is linked to the container for household use.

Word Count: 179

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Overall Band Score

8.5

(+/- 0.5)

Vocabulary Complexity:
B2 - Upper Intermediate
Opt for even more advanced words when appropriate.

Grammar Mistakes: N/A

Vocabulary Repetition:

water: 9

filter: 5

cross-section: 3

filling: 3

storage: 3

layer: 3

Try using synonyms for the above words

Task Response

The report effectively addresses the task by describing both the cross-section of the filter and the outdoor filling and storage system. It provides a clear overall summary and logically organizes the information into two main sections. The description of the filter layers and the flow of water is accurate and well-structured. The outdoor system is also described coherently, covering the key stages from untreated water to household use. Minor omissions, such as not explicitly mentioning the 200L capacity in the outdoor system or the exact placement of the tap, are acceptable and do not detract from the overall clarity. To improve, consider adding a brief comparison or highlighting the relationship between the two diagrams, and ensure all key features are mentioned. Overall, the response is well-written and meets the task requirements appropriately.

Coherence & Cohesion

The report is logically organized and easy to follow. The introduction clearly states the purpose, and the overview effectively summarizes the main features. The body paragraphs are well-structured, with clear topic sentences and smooth transitions between stages. Cohesive devices are used naturally and do not draw attention. Paragraphing is skilfully managed, with each paragraph focusing on a distinct part of the diagram.

Lexical Resource

The report demonstrates a good range of vocabulary with precise terms such as 'cross-section', 'penetrates', 'permeates', 'impurities', and 'residual contaminants'. The language is generally natural and appropriate for the task. To reach a higher band, consider using even more varied synonyms and more sophisticated phrasing, such as 'the filtration process' instead of repeating 'filter' and 'storage'.

Grammatical Range & Accuracy

The report shows a wide range of grammatical structures used accurately and flexibly. Sentences are varied in length and complexity, with correct use of passive voice, relative clauses, and conditional structures. Punctuation and grammar are error-free throughout, and the overall control is excellent.

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Band 8+: The diagrams below show a simple method of filtering and storing water for household use

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Answers On The Same Topic:

The diagrams below show a simple method of filtering and storing water for household use

The diagrams below show a simple method of filtering and storing water for household use

The diagrams below show a simple method of filtering and storing water for household use

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