Manufacturing involves a full array of production from handicrafts to moulding iron and steel and stamping out plastic toys to assembling delicate computer components or space vehicles. In each of these processes, the common characteristics are the application of power, mass production of identical products and specialised labour in factory settings for the production of standardised commodities. Manufacturing may be done with modern power and machinery, or it may still be very primitive.

Which of the following is NOT an example of secondary activity ?

Mining

Mining is a primary activity and rest are secondary activities.