Description: percentage availability of a component over a certain period of time; Name: Availability depending on time
Description: During a given period of time, percentage of the time during which an item was able to perform when required ; Name: Time based availability
Description: The norm in fixed relation to the feature being described. This defines the parameters that influence the contents of the correlated feature. Type and number of the norm with issue year and issue month must be given, e.g. DIN ISO 4711:YYYY-MM.; Name: Reference norm material, pumping medium