When did machines increase productivity but reduce workers' bargaining power?

A. जब skilled tasks को simple repeated work में बदला / When skilled tasks were changed into simple repeated work

Step 1: Identify the concept: this is deskilling. Step 2: Machines and division of labour reduced some skilled control. Step 3: Remember both productivity and deskilling.

Step 1: concept पहचानें: यह deskilling है। Step 2: Machines and division of labour ने some skilled control कम किया। Step 3: Productivity and deskilling दोनों याद रखें।