What is the ratio of preventive maintenance and total maintenance in primary-metal industry?
What is the ratio of preventive maintenance and total maintenance in primary-metal industry? Correct Answer 1 : 2.37 men
In various industries, the ratio of preventive maintenance to total maintenance differs according to the conditions prevailing there. When primary-metal industry is used, the ratio is 1 : 2.37 men.
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Feb 20, 2025