In-------------, repair of broken or damaged piece of equipment is done to restore necessary operating condition.

------------- breakdowns result in small amounts of lost time but are very frequent in occurrence.

-------------- are classified as the lost time and materials after the makeready is complete and production sheets are being counted

Maintenance done before the parts getting worn-out is 

Maintenance activities performed between two overhauling is called as

The system that does not use any belt, chain and gear in its drive