The diagram below shows how a central heating system in a house works. You should spend about 20 minutes on this task. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how a central heating system in a house works.

You should spend about 20 minutes on this task.

Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
This
report derives from the listed flaw chart which enumerates the process of domestic central heating system. A glance at the chart reveals that the process commences with entering cold
water
into a house and terminates with heating up small tubes with hot
water
.
To begin
with, cold
water
enters the house until the
water
tank is filled followed by pouring extra
water
via overflow pipes to fill up the storage tank.
Hence
, the hot
water
shows up in the taps from the first pipe
while
the other pipe grants to work the boiler with gas and oil. After more,
water
gets through the boiler, it goes to the pump in the small tank, supplying hot
water
into radiators and small tubes.
In addition
, the pipes make a circulation system that prevents overheating the radiators, tubes, and taps.
Submitted by kirkagoglesmail on

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Common mistake: Your writing should be 150-250 words.
Basic structure: Change the fourth paragraph.
Vocabulary: Replace the words water with synonyms.
Vocabulary: Only 3 basic words for charts were used.
Vocabulary: The word "chart" was used 2 times.
Vocabulary: Use several vocabularies to present the data in the fourth paragraph.

Essentional vocabulary list for IELTS Writing 7+

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Topic Vocabulary:
  • Central heating system
  • Boiler
  • Radiator
  • Pipes
  • Circulate
  • Heat source
  • Thermostat
  • Convection
  • Combustion
  • Energy-efficient
  • Flow rate
  • Expansion tank
  • Hot water cylinder
  • Insulation
  • Temperature control
  • Pump
  • Valves
  • Heat exchanger
  • Programmable
  • Zoned heating
  • Renewable energy
  • Double glazing
  • Carbon footprint
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