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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. BJaXV
The figures given above illustrate the working of a wave-energy machine, and to decide the most suitable location for its installation. According to the first figure, the wave-energy machine is installed in a water body, with the rise in the water level, the airflow causes the turbine to rotate as the air passes from the lower chamber to the upper chamber where the turbine is located. Although water isn't the only medium to cause the turbine to rotate, natural air coming from the upper chamber also helps in the rotation of the turbine. Thus this process helps in the generation of electricity in an efficient way. On the other hand, the second figure illustrates a comparison of the most suitable position to install the machine. If the machine is installed near the shore, where there are smaller waves than usual it would cost lesser in terms of money but would give low output as well. Similarly, if the machine is installed in deep water, the output would be higher resulting in larger waves and also a higher cost of installation. To conclude, there are pros and cons to the installation of wave energy machines and needs careful planning to successfully do so.
The figures
This phrase/word (depending on the context) can be potentially replaced with :
given
above illustrate the working of a wave-energy
You use this word too often, consider replacing it with
machine
, and to decide the most suitable location for its installation. According to the
first
figure, the wave-energy
You use this word too often, consider replacing it with
machine
is installed
in a
You use this word too often, consider replacing it with
water
body, with the rise in the
You use this word too often, consider replacing it with
water
level, the airflow causes the
You use this word too often, consider replacing it with
turbine
to rotate as the air passes from the lower chamber to the upper chamber where the
You use this word too often, consider replacing it with
turbine
is located
. Although
You use this word too often, consider replacing it with
water
isn't the
This phrase/word (depending on the context) can be potentially replaced with :
only
medium to cause the
You use this word too often, consider replacing it with
turbine
to rotate, natural air coming from the upper chamber
also
This phrase/word (depending on the context) can be potentially replaced with :
helps
in the rotation of the
You use this word too often, consider replacing it with
turbine
.
Did you forget a comma after a conjunctive/linking adverb?
Thus
this process
This phrase/word (depending on the context) can be potentially replaced with :
helps
in the generation of electricity
Consider replacing "in an efficient way" with the adverb for "efficient"; e.g., "in a hasty manner" with "hastily".
in an efficient way
.
On the other hand
, the second figure illustrates a comparison of the most suitable position to install the
You use this word too often, consider replacing it with
machine
. If the
You use this word too often, consider replacing it with
machine
is installed
near the shore, where there are smaller waves than usual it would cost lesser in terms of money
This phrase/word is too simple and can be replaced with:
but
would give low output
as well
.
Similarly
, if the
You use this word too often, consider replacing it with
machine
is installed
in deep
You use this word too often, consider replacing it with
water
, the output would be higher resulting in larger waves and
also
a higher cost of installation.
To conclude
, there are pros and cons to the installation of wave energy
You use this word too often, consider replacing it with
machines
and needs careful planning to
successfully
do
This phrase/word is too simple and can be replaced with:
so
.
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IELTS academic The diagrams below show the design for a wave-energy machine and its location.

Academic
  American English
1 paragraphs
202 words
6.0
Overall Band Score
Coherence and Cohesion: 5.5
  • Structure your answers in logical paragraphs
  • ?
    One main idea per paragraph
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    Include an introduction and conclusion
  • ?
    Support main points with an explanation and then an example
  • Use cohesive linking words accurately and appropriately
  • ?
    Vary your linking phrases using synonyms
Lexical Resource: 5.5
  • Try to vary your vocabulary using accurate synonyms
  • Use less common question specific words that accurately convey meaning
  • Check your work for spelling and word formation mistakes
Grammatical Range: 6.5
  • Use a variety of complex and simple sentences
  • Check your writing for errors
Task Achievement: 5.5
  • Answer all parts of the question
  • ?
    Present relevant ideas
  • Fully explain these ideas
  • ?
    Support ideas with relevant, specific examples
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