Description: identification of the type of ignition protection to be used or the hazardous environment of a device, based on a standard; Name: Explosion protection label
Description: marking on a device according to a directive or standard that indicates the type of protection implemented or the hazardous environment in which it may operate; Name: explosion protection marking
Description: Probability that an item is in a state to perform as required at a given instant, under given conditions, assuming that the necessary external resources are provided ; Name: Instantaneous availability