Answer: Option C
:
C
$\bullet$ Shearing is the first step involved in the processing of wool. In this process, fleece of the sheep is removed along with a thin layer of its skin.
$\bullet$ Sheared skin of the sheep is washed to remove grease, dirt and dust. This process is called scouring.
$\bullet$ The scoured wool is then sorted intocoarse and soft wool, by the process of sorting.
$\bullet$ The sorted wool fibres are then dyed in different colours, before the yarn is made. This process is called dyeing.