Question

what are the major changes that you observe in the present day industrial units

Answer 1

industrial units major changes are
petrol, deisel ,gold, silver.

Answer 2

As we are becoming more modern and scientifically develop day by day we are constantly revolutionizing our industrial sectors.

Due to the scientific and technological advancement in the modern days,the manual labour is constantly decreasing in the industrial sectors. Machines and computers are taking places of these human labours.

Also the amount of the pollution created by this industrial plants are also increasing day by day.