The diagrams show a structure that is used to generate electricity from wave power. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The charts illustrate how

electricity

Use synonyms

is produced from the sea tide and ebb using a structure near the seashore.

This

Linking Words

edifice is a man-made tool which produces

electricity

Use synonyms

, thanks to the

movement

Use synonyms

of the sea waves. As can be seen, the process begins with the arrival of the wave and it finishes when

ebb

Correct article usage

the ebb

show examples

happens. As the first diagram suggests, sea waves enter inside the chamber of the structure during the tide and

then

Linking Words

the force of the wave permits a powerful

movement

Use synonyms

of the air inside a column in which a

turbine

Use synonyms

is collocated. Thanks to the activity of the air, the

turbine

Use synonyms

starts to rotate faster and

this

Linking Words

rotation is used to generate

electricity

Use synonyms

. Looking

further

Linking Words

in

Change preposition

at

show examples

the second diagram, the

turbine

Use synonyms

produces

electricity

Use synonyms

even when the waves move away from the shore during the ebb. In fact, when the wave turns back, it creates an inverse

movement

Use synonyms

of the air which permits the

movement

Use synonyms

of the

turbine

Use synonyms

which is the source of power for generating

electricity

Use synonyms

.