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.

T

This

picture displays the function of a central heating system in a home.

Overall

,

it is clear that

the main feature

for

Change preposition

of

show examples

the heater is the

water

storage

tank

, the radiator and the boiler.

This

hot

water

tank

contains many other things

such

as

pump

Correct article usage

a pump

show examples

, overflow pipe and the small tubes through which the

water

flows .

Firstly

, the liquid from the

tank

flows through the pipe and

splitsinto

Correct your spelling

splits into

split into

two

direction

Change to a plural noun

directions

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. One part of the

water

streams to the hot

water

taps and the other goes to the storage

tank

which

then

descends towards the boiler. Two pipes

travels

Change the verb form

travel

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from the boiler where one has a small pump which

trwhich

Correct your spelling

which

is run by either gas or oil and enters the hot

water

radiator through a small pump where the

water

is controlled to a cold temperature and the other tube which does not have

pipe

Correct article usage

a pipe

show examples

connects to each hot

water

radiators.