You should spend about 20 minutes on this task. 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. You should write at least 150 words.

The

diagram

gives a clear understanding of

wave-energy

machine

Fix the agreement mistake

machines

show examples

through various component connections and their

flow

of control. Through the

diagram

Add a comma

,diagram

show examples

we can clearly determine the action and reaction of components and

generation

Correct article usage

the generation

show examples

of

electricity

through water

waves

. The

diagram

illustrates the working of

wave-energy

Add an article

the wave-energy

show examples

machine. It depicts the direction

flow

of

waves

,

air

, turbine rotatory motions and various other components like

electricity

Correct article usage

an electricity

show examples

generator

that is

linked with

turbine

Add an article

the turbine

a turbine

show examples

. The

diagram

represents the installation costs

basing

Wrong verb form

based

show examples

on the criteria of large

waves

and small

waves

. From the first

diagram

Add a comma

,diagram

show examples

we can observe that the

wave-energy

machine is divided into two chambers. One is

upper

Correct article usage

the upper

show examples

chamber consists of

turbine

Correct article usage

a turbine

show examples

and

electricity

Correct article usage

an electricity

show examples

generator connected to it. We can see the directions given to represent

air

Correct your spelling

airflow

show examples

flow

. The turbines rotate in the direction of

air

Correct your spelling

airflow

show examples

flow

and

thus

electricity

is generated by the

electricity

generator. The lower chamber deals with water levels which

is

Change the verb form

are

show examples

main

Add an article

the main

show examples

reason for

air

Correct your spelling

airflow

show examples

flow

and we can

also

see the wave direction coming towards

lower

Add an article

the lower

show examples

chamber. The other

diagram

gives a chance

for

Change preposition

to

show examples

comparison

Replace the word

compare

show examples

of large

waves

and small

waves

. If

waves

are larger,

output

Add an article

the output

show examples

will be high and installation cost will be high. If

waves

are smaller,

output

Add an article

the output

show examples

will be low and installation cost will be low. Large

waves

occur at lower altitudes

when

Correct word choice

while

show examples

smaller

waves

occur at high altitudes. The location of

wave-energy

machines depends upon the occurrence of large and small

waves

.