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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. MgNQ
The main features of a wave-energy machine A wave-energy is a machine which uses the force of wave as a resource of energy to generate electric power. As the picture shows, the machine is like a bawl, on the lower side of the machine, there is an opening which allows sea water to get into the lower chamber of the machine, (note: the opening must face the direction where the wave comes) after the water level inside the machine raises, the air will flow up into the upper chamber of the machine, at the same time, the air from the out side will flow in because of the perssure, as the two forces join together, the turbine, which was located in the upper chamber will spin, and that force will become electric energy since the turbine was connected with a electricity generator, so as the turbine spins, the electric enegry will be produced. It is also necessary to know where to put these wave-energy machines. There are basically two options for the location choosing: 1, Put the machines near the land, in this case, there will be small waves that comes into the machine which well obviously perduce less enegry or low output, but at the same time, there will be a low installation costs; 2, Put the machines further from the land, in this case there will be larger waves that comes into the machine and there will be high output as well, but the installation costs will be high because it is more difficult to install them in a deep water level.
The main features of a wave-energy machine

A wave-energy is a
You use this word too often, consider replacing it with
machine
which
This phrase/word (depending on the context) can be potentially replaced with :
uses
the force of
You use this word too often, consider replacing it with
wave
as a resource of energy to generate electric power. As the picture
This phrase/word (depending on the context) can be potentially replaced with :
shows
, the
You use this word too often, consider replacing it with
machine
is like a bawl, on the lower side of the
You use this word too often, consider replacing it with
machine
, there is an opening which
This phrase/word (depending on the context) can be potentially replaced with :
allows
sea water to
This phrase/word (depending on the context) can be potentially replaced with :
get
into the lower chamber of the
You use this word too often, consider replacing it with
machine
, (note: the opening
This phrase/word (depending on the context) can be potentially replaced with :
must
face the direction where the
You use this word too often, consider replacing it with
wave
This phrase/word (depending on the context) can be potentially replaced with :
comes
) after the water level inside the
You use this word too often, consider replacing it with
machine
raises, the air will flow up into the upper chamber of the
You use this word too often, consider replacing it with
machine
, at the same time, the air from the
Did you mean "outside"?
out side
will flow in
This phrase/word is too simple and can be replaced with:
because
of the
Possible spelling mistake found.
perssure
, as the two forces
This phrase/word (depending on the context) can be potentially replaced with :
join
together, the turbine, which
was located
in the upper chamber will spin, and that force will become electric energy since the turbine
was connected
with
Use "an" instead of 'a' if the following word starts with a vowel sound, e.g. 'an article', 'an hour'
a
electricity generator,
This phrase/word is too simple and can be replaced with:
so
as the turbine spins, the electric
Possible spelling mistake found.
enegry
will
be produced
.

It is
also
necessary to know where to put these wave-energy
You use this word too often, consider replacing it with
machines
. There are
basically
two options for the location choosing: 1, Put the
You use this word too often, consider replacing it with
machines
near the land,
in this case
, there will be
This phrase/word is too simple and can be replaced with:
small
You use this word too often, consider replacing it with
waves
that
This phrase/word (depending on the context) can be potentially replaced with :
comes
into the
You use this word too often, consider replacing it with
machine
which well
obviously
Possible spelling mistake found.
perduce
less
Possible spelling mistake found.
enegry
or low output,
This phrase/word is too simple and can be replaced with:
but
at the same time, there will be a low installation costs; 2, Put the
You use this word too often, consider replacing it with
machines
further
from the land,
in this case
there will be larger
You use this word too often, consider replacing it with
waves
that
This phrase/word (depending on the context) can be potentially replaced with :
comes
into the
You use this word too often, consider replacing it with
machine
and there will be high output
as well
,
This phrase/word is too simple and can be replaced with:
but
the installation costs will be high
This phrase/word is too simple and can be replaced with:
because
it is more difficult to install them in a deep water level.
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IELTS academic The diagrams below show the design for a wave-energy machine and its location.

Academic
  American English
3 paragraphs
264 words
6.0
Overall Band Score
Coherence and Cohesion: 7.0
  • Structure your answers in logical paragraphs
  • ?
    One main idea per paragraph
  • ?
    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: 5.0
  • 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: 5.0
  • Answer all parts of the question
  • ?
    Present relevant ideas
  • Fully explain these ideas
  • ?
    Support ideas with relevant, specific examples
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