Description: probability for an item to be in a state to perform as required at a given instant; Name: immediate Availability
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
Description: upper limit of the temperature range of the surrounding space in which the component, the pipework or the system can be operated; Name: max. ambient temperature