All industry is made up of four sectors that are a linked together like a chain: primary, secondary, tertiary and quaternary ... water or other natural resources are used to generate power for ...

There are four main types of industry: primary, secondary, tertiary and quaternary ... water or other natural resources are used to generate power for our homes and businesses.

Secondary agricultural goods are treated products and preparations from primary agricultural goods. Together, these form the main definition of agricultural goods. Tertiary agricultural goods are ...