The diagram below shows how oil is extracted in the production of perfume. Summarise the information by selecting and reporting the main features, and make comparisons where relevant

The diagram illustrates how perfume is made using the distillation technique, which utilizes the capacity of

water

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vapour

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to capture the essence.

Overall

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, there are four main stages in

this

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complex process, starting with boiling

water

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and ending with distilling essential oil.

First,

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water

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is heated at a high temperature in a tank placed on a flame. As the

water

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boils, the

vapour

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is collected and sent through a pipe connected to the bottom of another tank called the distillation chamber. Aromatic plants or flowers are put on the upper part to be steamed. When the

vapour

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rises to the top of the chamber, it collects fragrant molecules and forms a mixture that

then

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goes through a coil for condensing. The coil is placed in a tank with a cool-

water

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inlet at the bottom and a hot-

water

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outlet at the top, allowing warm

water

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to flow. Once the mixture of

vapour

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and essential oil has been cooled down by cold

water

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, it condenses and becomes….