Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, _________.
1
Shearing → Scouring → Sorting → Cleaning of burrs → Rolling → Dyeing
2
Shearing → Scouring → Sorting → Cleaning of burrs → Dyeing → Rolling
3
Shearing → Cleaning of burrs → Sorting → Dyeing → Scouring → Rolling
4
Shearing → Cleaning of burrs → Sorting → Scouring → Dyeing → Rolling