1. Pages 386-387

2. 3.Raw material, material and equipment: three names for three different things. a)Raw material: is a substance of natural origin that undergoes a transformation. Look at the following examples. i)Trees are used to make planks or paper ii)Iron is used to make steel, steel is used in creating applications such as beams and rail constructions. iii)Bauxite provides aluminium. Once transformed, raw material becomes a finished product.

4. b)Material: raw material is transformed into material. It is then used to manufacture machines, objects or other items. In industry, material is a basic commodity. Commodity: It is a product that is the same no matter who produces it, such as petroleum, notebook paper, or milk.

6. c)Equipment: is an object, instrument, tool or machine. It is used to extract or transform raw material, to manufacture products.