Process Diagram

Band 4+: You should spend about 20 minutes on this task. The diagram shows the different stages in the production of lead. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

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Image for topic: You should spend about 20 minutes on this task. The diagram shows the different stages in the production of lead. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

Our system will evaluate the answer based on this AI-generated description.

The image illustrates an 8-step process: 1. Mining the rock (containing lead and oth metal); 2. Transporting to factory; 3. Crushing, with water added; 4. Mixing in a tank with water to create a lead mix; 5. Filtering, with pine oil added; 6. Refining via heating at 1400°C, which produces waste gas and melted lead and other metals; 7. Separating in a kettle, removing other metals as waste; 8. Casting.

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

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Note: Both the topic and the answer were created by one of our users.

The diagram displays how the lead are manufactured.

Overall, it is a linear process consisting of four main stages: mining, crushing, filtering and casting.

The fist step is to mining the rock whish consists of lead and other useful metals and then transported to the factory. Following this, the rock are broken down by crushing machine into small pieces, which are subsequently added into lead mix with water, pain oil, and a tank. Those ingredients are filtered for the next stage.

The small clean pieces filtered in the last stage are then heated at 1400 degrees Celcuim and melted with other metals by special machine, and they wasted gas. After that, the waste seperate other metals together to have a kettle. Finally, the casting is made after those stages.

Word Count: 129

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Overall Band Score

4.5

(+/- 0.5)

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

Grammar Mistakes: N/A

Vocabulary Repetition:

other: 3

metals: 3

Try using synonyms for the above words

Task Response

The report provides a general overview of the lead production process, but it includes some inaccuracies and lacks detail in certain areas. The organization is somewhat clear, but the description of some stages is vague or confusing. To improve, focus on providing more specific details about each stage of the process and ensure accuracy in your descriptions. Also, pay attention to grammar and sentence structure to improve clarity. The report falls short of the required 150 words.

Coherence & Cohesion

The report presents a basic overview of the lead production process, but the organization could be improved. The flow of information is sometimes difficult to follow due to unclear transitions and a lack of specific details. Consider using more precise language to describe the connections between stages and ensure each step is clearly linked to the previous one. Paragraphing could be improved to group related processes together more logically.

Lexical Resource

The vocabulary used is somewhat limited and lacks precision. There are instances of using general words where more specific terms would be appropriate. For example, instead of 'special machine,' consider using a more descriptive term related to refining or heating processes. Expanding your vocabulary related to industrial processes and materials would enhance the report.

Grammatical Range & Accuracy

The report contains several grammatical errors, including incorrect verb tenses ('the lead are manufactured'), subject-verb agreement issues ('the rock are broken down'), and misuse of articles ('to mining the rock'). Sentence structure is also quite basic, which limits the complexity of the information conveyed. Focus on improving your understanding of basic grammar rules and practice constructing more varied sentence types to enhance clarity and accuracy.

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