IELTS Writing Correction Service
Writing Samples
Band 5

The diagrams below show the design for a wave-energy machine and its location. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The diagrams below show the design for a wave-energy machine and its location. Summarise the information by selecting and reporting the main features and make comparisons where relevant.
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The two pictures illustrate the design
for
Change preposition
of
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 a wave-energy device and its position.
Overall
Linking Words
, the machine includes three main parts which are an electricity generator, turbines and chambers. Whether its location on the ocean may depend on the budget of manufacturers. As can be seen in the sketch, there are two chambers. The one in the air has two turbines that spin when there is
airstream
Correct article usage
an airstream
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 going in and out. The other has an entrance for
Add an article
the wave
a wave
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wave
Fix the agreement mistake
waves
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 to go inside. When the water level in the lower chamber changes
according to
Linking Words
 wave direction, it can create
air
Correct article usage
an air
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 current in the upper chamber that makes turbines spin and generates energy. If the machine is placed near the coast, there are normally small waves that mostly provide low output.
In contrast
Linking Words
, high output tends to be available offshore. The farther from
Add an article
the land
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land
Add a comma
,land
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 the device is set, the higher the installation expenditure is.

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Introduction: The introduction is missing.
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Introduction: The chart intro is missing.
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Introduction: The chart intro is missing.
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Vocabulary: The word "go" was used 2 times.
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Vocabulary: The word "go" was used 2 times.
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Vocabulary: The word "wave" was used 3 times.
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Vocabulary: Use several vocabularies to present the data in the second paragraph.
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