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Band 6+: how water is treated and purified before it becomes safe drinking water. The typical stages

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Image for topic: how water is treated and purified before it becomes safe drinking water. The typical stages

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The image is a flowchart titled 'WATER TREATMENT PROCESS' showing eight stages with icons. The process flows in sequence on the top row from left to right: RAW WATER, followed by PUMPING, then SCREENING, and ending with SEDIMENTATION. An arrow points down from SEDIMENTATION to DISTRIBUTION, which is on the far right of the bottom row. The flow on the bottom row proceeds from right to left, indicated by left-pointing arrows: from DISTRIBUTION to STORAGE, then to DISINFECTION, and finally to FILTRATION.

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

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This image illustrates the process of water treatment to make it safe for drinking purpose. It can be clearly seen from this image that the process consist on several distinct stages, beginning with raw water and ending with filtration and finally water become potable and it fits for drinking purpose. It is clear that this process is linear.

The process begins with the raw water. It pumped for screening to remove large particles from water. Subsequently, water is passed through sedimentation process, in which large particles settled down in the bottom of water. In the next step, water is ready for distribution into households through taps, following for storage in tanks for further treatment.

Later on, water is disinfected for removal of bacteria. After disinfection, water is goes through filtration to remove any chemical agents to make it safer. Finally, the water is ready for drinking for drinking purpose.

Word Count: 149

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
C1 - Intricate
Strive to incorporate even richer and more precise language.

Grammar Mistakes: N/A

Vocabulary Repetition:

water: 11

process: 5

drinking: 4

purpose: 3

through: 3

Try using synonyms for the above words

Task Response

The report adequately covers the water treatment process, hitting the key stages. However, there's room for improvement in terms of detail and organization. For instance, elaborating on what each stage involves more specifically would enhance the response. Also, the structure could be refined for better flow and clarity. For example, you could group the stages into logical sections (pre-treatment, treatment, post-treatment) to improve coherence. The report falls short of the required 150 words.

Coherence & Cohesion

The report presents the information in a generally logical sequence, following the stages of the water treatment process. However, the organization could be improved for better clarity. The introduction is somewhat repetitive. The description of the process lacks precise transitions between stages, making it slightly difficult to follow. Consider using more explicit transition words and phrases to guide the reader through each step. Paragraphing could also be improved to group related stages more effectively.

Lexical Resource

The report uses adequate vocabulary to describe the water treatment process. However, the language is somewhat basic and lacks sophistication. There are instances of wordiness and redundancy. To improve, try to incorporate more precise and varied vocabulary related to water treatment and purification. Avoid unnecessary repetition of phrases like 'drinking purpose'.

Grammatical Range & Accuracy

The report contains several grammatical errors that affect clarity. There are issues with verb tense consistency, subject-verb agreement, and article usage. Sentence structure is generally simple, and there is a lack of complex sentence constructions. To improve, focus on using a wider range of grammatical structures and ensuring accuracy in verb tenses, articles, and subject-verb agreement. Proofread carefully to eliminate grammatical errors.

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