Description: time spent on the preventive maintenance of the engine; Name: preventive maintenance period
Description: part of maintenance time when preventive maintenance is carried out on an item, including technical, logistic and internal administrative delay; Name: preventive maintenance time
Description: For a given operating resource, the greatest temperature, not ever to be exceeded, of materials or measuring substances above which the resource cannot be operated without permanent changes in its characteristics; Name: 	Max. work temperature