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.

There are

two

Use synonyms

diagrams, one of which illustrates the structure and working of a

wave-energy

Use synonyms

machine

Use synonyms

,

while

Linking Words

the other describes the choices of locating the

machine

Use synonyms

at

two

Use synonyms

different depths of a

water

Use synonyms

body.

Overall

Linking Words

, a

wave-energy

Use synonyms

machine

Use synonyms

manipulates the

water

Use synonyms

flow to rotate the turbines and generate electricity. The

machine

Use synonyms

, if located at an area of greater depth below sea level, produces a high output of energy but requires high installation costs. The

machine

Use synonyms

has

two

Use synonyms

chambers. The lower

chamber

Use synonyms

is introduced to

water

Use synonyms

waves which cause an upward airflow into the upper

chamber

Use synonyms

. The air escapes the

chamber

Use synonyms

, re-enters, and flows downwards into the lower

chamber

Use synonyms

.

This

Linking Words

circulation of airflow rotates the turbines which in turn, generates

Use synonyms

wave-energy

Correct your spelling

wave energy

show examples

. The

wave-energy

Use synonyms

machines have

two

Use synonyms

possible locations in a

water

Use synonyms

body that vary based on the depth of

water

Use synonyms

. Machines that are placed near the shore require lower installation costs as the waves are smaller and result in a lower output of wave energy as compared to the ones that are situated

further

Linking Words

into the

water

Use synonyms

body where the waves are larger and produce a higher amount of energy.