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 lowest temperature, below which the temperature may not ever fall, of materials or measuring substances below which the resource cannot be operated without permanent changes in its characteristics; Name: Min. work temperature