Help me please with these questions:
1) the process of depositing a layer of zinc on iron is called
2) the processing of wool in which the sheared skin with hair is thoroughly washed in tanks to remove grease, dust and dirt is calles
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1) The process for coating metal like iron or steel with a thin zinc layer is known as galvanization. The zinc layer serves to protect the metal from rusting.
2) The removal of grease, dust and dirt from sheared skin with hair in tanks is called scouring. It is the second step of obtaining fiber. It is used to obtain wool from sheep. ... This process cleans the fleece or hair properly.
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