Question

narrate the difference in requirement of labour in mine while using machines and human labour​

Answer 1

Answer:

MORE LABOURERS REQUIRED WHEN THERE WERE NO MACHINES. LABOUR WAS SELECTED ON THE BASIS OF THERE PHYSIQUE AND STRENGTH AS THEY HAD TO DO WORK BY HAND. WHILE WITH MACHINERY SKILLS ARE KNOWLEDGE ARE USED AS A PARAMETER OF SLECTING LABOURS. THERE IS MORE PAY AND HEALTH SECURITY THAN BEFORE.

Answer 2

Answer:

labours for physical activity but employs ( labours ) for operating machinery...

Explanation:

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