Mudigandur Soumyamudigandur soumya asked 7 months ago
1 Answers
RaviRavi Staff answered 7 months ago

(a) planning preventive maintenance is very good step to avoid breakdowns
now option (c) says look at the past see which machines were repaired and based on that plan maintenance, now predicting where breakdown can happen depending on work load etc is better than just saying that machines which got repaired in past need more maintenance, so looking at future is better option (a) 
please write reference of question as above so that students can find this query easily

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