Writing task 1 (description of a diagram)
The chart below illustrates how hydro-electric power is created. For the generation of electricity water is needed. They will use rain water from a reservoir which will follow a long path to contribute to the making of hydro-electric power.
First of all, as a result of the sun heath, the water will be evaporated from the sea. It becomes a cloud and it will come down as rain later on. This rain falls into the reservoir, which has a dam to prevent water leaking out and a valve to regulate how much water they want to use. If the valve is opened the water flows to the turbine, which can generate power from this. After doing its duty the water will flow to the pump, which will make sure that the water is pumped back into the reservoir.
The power that is created within the turbine goes to a transformer station by using high voltage cables. From there, the power will be led further to all different kinds of users: homes, schools, hospitals, shops and every other place that needs electric.
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Writing task 1 (description of a diagram)
The chart below illustrates how hydro-electric power is created. For the generation of electricity* water is needed. **Rain water from a reservoir flows down a long path to*** contribute to the making of hydro-electric power.
First of all, as a result of the sun's heat, water evaporates from the sea. It becomes a cloud and will come down as rain later on. This rain falls into the reservoir, which has a dam to prevent water leaking out and a valve to regulate how much water they want to use. If the valve is opened the water flows to the turbine, which can generate power from this. After doing its duty**** the water will flow to the pump, which will make sure that the water is pumped back into the reservoir.
The power that is created within the turbine goes to a transformer station through high voltage cables. From there, the power goes to various users: homes, schools, hospitals, shops and any other place that needs electric.*****
*or, Water is needed to generate electricity.
**if, as here, the process is ongoing, habitual, one normally uses the present tense, throughout, to describe it.
***or, to help make the hydro...
****very amusing, thanks.
*****or ''anywhere else that needs it.'' Although, your expression is perfectly good, too.
Very well written. A master-class of exposition.
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