Appu noticed that the sheared wool was dirty and had the grime and dust collected by the sheep. He said that it needed to be washed in the laundry. The farmer chuckled again and said there is a special process to wash the fleece. This process is called ___________________________.
Scouring is the process of washing the fleece to remove dirt, grime and grease from the wool. It is usually done in scouring machines today.