electric switch is softened/burnt with burning smell and become hard
Answers
Answered by
2
Answer:
plz ask more clearly...didn't understood full question...
mark me as brainliest
Answered by
2
Explanation:
The fibres which are not obtained naturally they are prepared artificially by using chemicals. These fibres are known as synthetic fibres.
All the synthetic fibres are prepared by a number of processes using raw materials of petroleum origin, called petrochemicals.
The synthetic fibres are made up of very large units called polymers. Some of the synthetic fibres are rayon, nylon and acryl on.
Similar questions