Hot Water and Lighting Provider

Hi Mates!

I'll try IELTS next Saturday and so i'd like to someone to read this 150 words essay and please, correct me if i made mistakes, ok?

Cheers,

Fernando(BR)


So far, mankind has discovered several ways to provide energy in order to supply its demand. However, many of these inventions are whether expensive or environmental harmful in exception of some “green” solutions.

We can see an example of this on the solar radiation conversion into energy. It is very useful on those places where sun shines almost every day and power supply is not efficient.

As soon as the solar rays hit the solar collector, it will be transformed by the photovaltic cells into electricity. Due to the generation of electricity and the need to store it, an accumulator is plugged on its end by wire, where power is stored and so is ready to be consumed on domestics uses, like lighting.

As well as lighting, the sun rays can also heat liquids. Regarding to it, a heat exchanger can be connected to the solar collector, and whilst the water stream runs through this device, its temperature is increased. After it, water is saved on a water tank to be used in such ways like showering, washing up and so on.

Although this system is efficiently proportional to the sunlight strengthness, it works out really fine and brings up satisfactory results. Moreover, these processes use nature renewable resource and do not harm the environment.