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A DESCRIPTION OF HOW SOMETHING WORKS:
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A DESCRIPTION OF HOW SOMETHING WORKS:
HOW TO APPROACH THE TASK:
Describe the function that the machine or object is designed to perform.
Although it might be quite obvious what the function is, your job when writing a description is to be as informative as possible; you are not completing the task if you fail to tell the reader what the machine or object actually does. You should assume that the reader knows nothing at all about the machine or object you are looking at.
Parts of bicycle
A bicycle is a machine designed to transport a person by means of his or her own physical effort. It is, therefore, almost entirely environmentally-friendly. Since the amount of friction generated is much reduced, it is also extremely efficient.
It consists of four main sections: the two spoked wheels, a set of handlebars, and a revolving cog, held together by a metal frame. The cyclist, who is balanced on top of a seat covered by a soft saddle, leans forwards and grips the handlebars, pushing down with his or her feet on the pedals which rotate up and down. They drive a central notched cog which is connected by a metal chain to the back wheel hub. Alternative gear positions are available by operating a gear lever at hand level. Also on the handlebars is the brake lever, which is linked by a cable to a set of brakes on the back wheel.
Accessories include an air pump, with which the rubber tyres are filled periodically with air, a speedometer, and a headlamp for use at night.
Thank you!
The next
step is to describe how those parts function together.
To do this, it is normal to use
the Passive Voice, since it avoids the use of unnecessary references to whom or what is using the machine or object.
However, it is sometimes necessary to refer to the person or thing using the machine at least once, usually at the beginning of the description of how it is being used.
In this case, we need to know how to refer to the active participant.
YOU i.e. First, you put your ...... on the ......
THE (USER) i.e. First, (the cyclist) puts his or her ....... on the....... .
Next, inform the reader of the parts that make up the machine or object.
A..... is made up of ..... main parts.
....... consists of a number of distinct sections.
........ comprises ...... separate parts.
Alternatively, you may start a new sentence after the full stop:
First, there is the ....... Then the ........., the.... and the ...... .
Some ways to begin describing the function of a machine or object:
Sample description
The illustration is of a ........ which is designed to (do something).
A ..........is a .................... designed for the purpose of ..............................(doing something).
The function of a ..................... is to ............................... (do something).