Process Diagram

Band 7+: 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.

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Image for topic: 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.

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The image illustrates an 8-step process: 1. Mining the rock, where rock containing lead and other metals is extracted from a mine with a straightedge shaft and loaded onto trucks. 2. Transporting the rock to a factory via truck. 3. Crushing the rock with the addition of water. 4. Mixing the crushed material with water in a tank to create a lead mix. 5. Filtering the mix with the addition of pine oil. 6. Refining the filtered substance by heating it to 1400°C, producing waste gas and melted lead and other metals. 7. Separating the melted lead from other metals, which are categorized as waste. 8. Casting the lead from a kettle into an ingot.

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

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The given diagram provides a clear description of how to mass-produce lead for commercial purposes. Overall, there are totally 8 steps that are carried out in thefactory, commencing with mining the rock and culminating at the casting of lead production.

To start with mining the raw rock that contain lead and other metal. Then, transporting the mined rock to a factory before crushing them with water. After that, the crushed rock is mixed with water, pine oil in a tank to make a mixture, called lead mix. In the next step, the lead mix is filtered.

Following this, the filtered mix is refined by heating the filtered material at 1400°C to melt the lead and other metals, releasing waste gases. Subsequently, extracting melted lead from other unwanted metals. Eventually, pouring purified lead into moulds for industrial use.

Word Count: 137

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Overall Band Score

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Vocabulary Complexity:
B2 - Upper Intermediate
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Grammar Mistakes: N/A

Vocabulary Repetition:

other: 3

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Task Response

The report adequately covers the main stages of lead production, presenting a clear overview of the process. However, there's room for improvement in terms of detail and organization. Consider elaborating slightly more on each stage and ensuring a smoother flow between paragraphs. Also, aim to include more specific details from the diagram to enhance the description. The report falls short of the required 150 words.

Coherence & Cohesion

The report presents a generally clear overview of the lead production process. The sequence of steps is easy to follow. However, the use of cohesive devices could be improved to enhance the flow between sentences and paragraphs. For instance, adding transition words or phrases at the beginning of some sentences would help to guide the reader more smoothly through the process. Paragraphing is adequate but could be more skillfully managed to group related steps together more logically.

Lexical Resource

The report demonstrates a sufficient range of vocabulary to describe the process. Terms like 'mining,' 'crushing,' 'filtering,' and 'refining' are used appropriately. However, there's room to incorporate more precise and varied vocabulary to elevate the description. For example, instead of repeatedly using 'mix,' consider alternatives like 'compound' or 'slurry.' Also, try to use more specific words related to industrial processes to show a better command of the topic.

Grammatical Range & Accuracy

The report demonstrates a reasonable command of grammar, with mostly correct sentence structures. However, there are a few areas where grammatical accuracy could be improved. For example, ensure subject-verb agreement and correct tense usage throughout the report. Pay attention to articles (a, an, the) and prepositions, as errors in these areas can affect clarity. Proofreading carefully for these types of errors will enhance the overall quality of the writing.

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