Description: Part of the maintenance time during which active maintenance is carried out on an object; Name: time for active maintenace
Description: Part of the maintenance time when active maintenance is carried out on an item ; Name: Active maintenance time
Description: extent of protection provided by an enclosure against access to hazardous parts, against ingress of solid foreign objects and/or ingress of water and verified by standardized test methods, expressed as a IP rating; Name: degree of protection