Process Diagram

Band 6+: The following flow diagram illustrates the stages from the discovery of oil to the sell of petrol in the filling station.

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Image for topic: The following flow diagram illustrates the stages from the discovery of oil to the sell of petrol in the filling station.

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The image depicts a flowchart detailing the process starting from "Locate oil," branching into either "refine oil into different products including Patrol" or "store oil in Storage tank" or "pump oil through pipeline." From "refine oil into different products including Patrol," the flow proceeds to "store petrol in Tank." From "store oil in Storage tank," it leads to "refine oil into different products including Patrol." From "pump oil through pipeline," the flow bifurcates into "store petrol in Tank" or "Transport patrol to petrol stations." The process then converges as "store petrol in Tank" also proceeds to "store patrol in underground tanks," which then leads to "pump patrol into car tanks."

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

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The provided flow diagram exhibits the how oil is dicovered and refined as petrol for motor vehicles from the petrol station.

Overall, it can be clearly seen that petrol production involves in eight stages, starting with finding the location of oil and ending with delivering petrol to car tanks.

The process begins in the oil field where oil mine is explored by setting up pipelines. Then, the oil is extracted though the pipelines before being stored in storage tank. Next, it turned to the most crucial stage where crude oil is refined into various products such as petrol, octane, diesel etc.

Afterwards, this precious item is preserved in large container until it is transported to petrol stations. As soon as it is reached the depot, it is poured into underground tanks. Eventually, the petrol is ready to pump into car tanks.

Word Count: 141

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Overall Band Score

6.5

(+/- 0.5)

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

Grammar Mistakes: N/A

Vocabulary Repetition:

petrol: 7

Try using synonyms for the above words

Task Response

The report provides a clear and coherent overview of the process, correctly identifying the main stages from oil discovery to petrol delivery. The structure is logical, with an introduction, an overall statement, and a sequential description. However, there are some inaccuracies and omissions: the report simplifies the branching nature of the diagram, omitting the alternative pathways (e.g., direct transport from pipeline to petrol stations) and the recycling of stored oil to refining. Additionally, there are minor spelling errors ('dicovered', 'patrol' instead of 'petrol') and some awkward phrasing (e.g., 'exhibits the how oil is dicovered'). To improve, ensure all key stages and branches are mentioned, and proofread for spelling and grammatical accuracy. The report falls short of the required 150 words.

Coherence & Cohesion

The report has a clear overall structure with an introduction and an overview, and the process is described in a logical sequence. However, the flow is sometimes disrupted by awkward phrasing and unclear references (e.g., 'it turned to the most crucial stage' and 'As soon as it is reached the depot'). The use of cohesive devices is limited and sometimes inaccurate, which affects the smooth progression of ideas. To improve, use a wider range of linking words and phrases (e.g., 'subsequently', 'following this', 'once') and ensure that each sentence clearly connects to the next. Also, consider using more precise paragraphing to separate different stages of the process.

Lexical Resource

The report uses some appropriate vocabulary related to the oil and petrol industry (e.g., 'extracted', 'refined', 'storage tank', 'underground tanks'). However, there are several inaccuracies and awkward choices (e.g., 'oil mine is explored', 'precious item', 'large container') that reduce precision. The range of vocabulary is adequate but not wide, and some terms are repeated (e.g., 'petrol', 'tank'). To improve, use more specific and varied vocabulary (e.g., 'crude oil', 'refinery', 'distribution', 'pumping'), and avoid informal or imprecise expressions. Ensure that technical terms are used correctly and consistently.

Grammatical Range & Accuracy

The report demonstrates a reasonable range of sentence structures, including some complex sentences. However, there are several grammatical errors and awkward phrasings that affect clarity (e.g., 'exhibits the how oil is dicovered', 'involves in eight stages', 'it turned to', 'it is reached'). Punctuation is mostly correct, but some sentences are run-ons or lack proper connectors. To improve, focus on subject-verb agreement, correct use of articles and prepositions, and ensure that verb tenses are consistent. Also, proofread to eliminate spelling errors (e.g., 'dicovered', 'patrol' instead of 'petrol'). Using a wider range of grammatical structures, such as passive voice and relative clauses, would enhance accuracy and flexibility.

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