Which of the following is/are the features of manufacturing activity?

All of the above

The correct answer is option 4: All of the above

Manufacturing involves the transformation of raw materials into finished products through various processes. Its important features include the use of power, large-scale production, and specialized labour.

Option 1: Application of electric power — True. Modern manufacturing extensively uses electric power to operate machinery and equipment.

Option 2: Mass production of identical products — True. Manufacturing often involves producing large quantities of standardized products.

Option 3: Specialised labour in factory settings for the production of standardised commodities — True. Workers are usually assigned specific tasks, leading to specialization and efficient production.