The figure illustrates the process in which the 
electricity
 is generated in a Use synonyms
power
 station. Use synonyms
Overall
, it is evident from the diagram that high reservoir Linking Words
water
 behind a dam is used for hydroelectric Use synonyms
power
 Use synonyms
generation
 and various process takes place during the Use synonyms
day
 and night. 
Use synonyms
First, 
for hydroelectric Linking Words
generation
 of Use synonyms
power
, a dam must be built to increase the level of Use synonyms
Use synonyms
water
 reservoir. Basically, during the Correct article usage
the water
day
, the intake is open and lets the Use synonyms
water
 flow through the turbines. Use synonyms
Secondly
, the turbines operate the Linking Words
electricity
 Use synonyms
generation
 by the generators in the Use synonyms
power
 station. Use synonyms
Next, 
the Linking Words
power
 lines take the Use synonyms
electricity
 to the national grid. 
Use synonyms
Furthermore
, the low-level Linking Words
water
 reservoir will be flown back to the turbines, which are reversible and Use synonyms
also
 act as a pump, at night. Linking Words
Then
, the Linking Words
water
 will be pumped back behind the dam to be used again for Use synonyms
electricity
 Use synonyms
generation
 the next Use synonyms
day
. 
In conclusion, the figure shows the process of how Use synonyms
electricity
 is generated by hydroelectric Use synonyms
power
 stations. The diagram Use synonyms
also
 concisely represents the steps which are taken through Linking Words
day
 and night.Use synonyms