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: Allocation of the devices according to deployment site and cause of the hazard. NOTE: The Group II operating media are further subdivided into explosion groups and temperature classes; Name: Explosion protection device group of the electric motor