The diagram illustrates the technique of producing perfume from 
oil
. 
Use synonyms
Overall
, there are four main stages, starting from the boiling of the input Linking Words
water
 and ending with the culmination of the refined hydrolat.
In the first stage of the process, Use synonyms
water
 is heated by Use synonyms
fire
 inside an airtight container until it transforms into steam. After that, it will be transferred to the second container through a tube. At Add an article
the fire
a fire
this
 step,  hot air is used to increase the temperature of aromatic plants, letting the raw materials produce Linking Words
oil
 and Use synonyms
then
 collecting the mixture of steam and Linking Words
oil
 vapour within. 
In the next stage of the progress, the vaporized Use synonyms
oil
 is transported to a condenser where Use synonyms
this
 product is condensed by a spring-shaped tube. At the same time, both hot and cold Linking Words
water
 supplied from two different tubes are used to support Use synonyms
this
 condensing procedure. In the Linking Words
last
 step, Linking Words
water
 mixed with essential Use synonyms
oil
 will be transported to a large separator that filters the Use synonyms
oil
. Use synonyms
Then
 the hydrolat, known as aromatic Linking Words
water
, is ready to be used for different purposes, catering for consumers’ needs.Use synonyms