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The farmer said “The burrs do appear on the wool. But, they are removed using a process called ____________________”. He showed some hand cards used for the process. It had tiny teeth that could remove burrs. The farmer added “of course…nowadays this is done using machines …”

Various steps involved to obtain wool from fleece are given here. (i) Picking out the burrs (ii) Dyeing in various colours (iii) Shearing (iv) Scouring (v) Sorting Write the above steps in the correct sequence in which they are carried out.

Appu thought that when he washed his woolens in water, there would always be tiny ball like burrs coming out on top of the clothes. He wondered how his new woolen sweaters never had any burrs even though the fleeces were washed in water. He mentioned his suspicion to the farmer.