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 graph illustrated the

wave-energy

machine

's design and location. There are 2 chambers in the

wave-energy

machine

. The upper part contains a turbine and allows the

air

flow

Fix the infinitive

to flow

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in and out between the bottom

chamber

and the atmosphere. The bottom

chamber

allows the water

flow

Fix the infinitive

to flow

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in with the wave direction. The

wave-energy

machine

has an electricity generator which

connected

Add a missing verb

is connected

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to the turbine. When the water

flows

into the bottom

chamber

, the water level

rised

Correct your spelling

rises

rise

rose

which

cause

Correct subject-verb agreement

causes

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air

flows

into the upper

chamber

. The

air

flows

though

Correct your spelling

through

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the upper

chamber

to

atmosphere

Add an article

the atmosphere

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and there

also

air

flows

in from the atmosphere to the chambers. The location options of the

wave-energy

machines are essential to the output result. When the

machine

placed

Add a missing verb

is placed

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on the shallow coast, since there are small waves, the output would be low,

however

, the costs of installation would be

also

low.

In contrast

,

higher

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the higher

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output would

been

Change the verb form

be

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received when the

machine

is placed far from the coast. Of

couse

Correct your spelling

course

, the costs of installation would be high.