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Subjects
Science CBSE
Class 7
Fibre to fabric
The different types of fibre and their sources
15.
Dyeing
Exercise condition:
4
m.
1.
What is dyeing process?
Fleece
Burrs
Wool
Yarn
is dyed in various colours because the natural colour of the
moth
burrs
fleece
pupa
is brown, black or white.
2.
What is rolling process?
The
yarn
wool
fleece
burr
is oiled, straightened, twisted, rinsed, and spun into
yarn
fibre
burr
fleece
during this process.
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