How did factory production change quality control?

A. Central supervision से uniform quality possible हुई / Central supervision made uniform quality possible

Step 1: Identify the concept: this is factory organisation. Step 2: In central workplace, owners could monitor machines, workers and output. Step 3: Remember factory with supervision and standard quality.

Step 1: concept पहचानें: यह factory organisation है। Step 2: Central workplace में owners machines, workers and output को monitor कर सकते थे। Step 3: Factory को supervision and standard quality से याद रखें।