Answer:
Machine's use and technological advances in manufacturing process.
Explanation:
The Machines usage in manufacturing process has become very prominent in modern world and has lowered the cost of manufacturing to significant percentages.The robust system and cheap electricity costs has generated competitive advantages to companies which mostly rely on machines due to cost reductions. In the ancient times no such instrument were used and also that there was no familiarity with scientific management which talks about the ways we can increase production from increased efficiency.