The diagram below shows how salt is removed from seawater to make it drinkable. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how salt is removed from seawater to make it drinkable. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
IELTS Writing Task Chart for The diagram below shows how salt is removed from seawater to make it drinkable. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
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The figures illustrate the process of how salt and contaminants are separated from
seawater
Use synonyms
and how to make fresh and drinkable
water
Use synonyms
.
Overall
Linking Words
,
it is clear that
Linking Words
there are three main stages and it starts with draining
seawater
Use synonyms
into the system and ends with distributing clean
water
Use synonyms
.
To begin
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with,
seawater
Use synonyms
will be drained by a pipe into the pre-treatment filter
and
Correct word choice
apply
show examples
in
this
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stage, there are two ways
and
Correct word choice
apply
show examples
one of them is to filter backwash back to the sea
while
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the other one will pass the salted
water
Use synonyms
to the next stage.
Furthermore
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, in the second chamber, the sea
water
Use synonyms
is forced through
membrane
Correct article usage
a membrane
show examples
by using high pressure which in in turn both impurity substances and salt will be segregated and only pure
water
Use synonyms
molecules get through these tiny holes. What is interesting to note is that those residues so-called '
seawater
Use synonyms
concentrate' will be combined with the filter backwash from the previous stage and back to the sea.
Additionally
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, in the next procedure, the
water
Use synonyms
will be cleansed by lime, chlorine and fluoride,
as a result
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, the clean and fresh
water
Use synonyms
is stored in a gigantic rectangular-shaped storage before integrating a
water
Use synonyms
supply system.

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Introduction: The introduction is missing.
Introduction: The chart intro is missing.
Basic structure: Change the second paragraph.
Basic structure: Change the third paragraph.
Introduction: The chart intro is missing.
Vocabulary: Replace the words seawater, water with synonyms.
Vocabulary: Only 2 basic words for charts were used.
Vocabulary: Use several vocabularies to present the data in the second paragraph.
Vocabulary: Use several vocabularies to present the data in the third paragraph.
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