Description: Percentage in a period where the object has fulfilled the function; Name: availability in relation to 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: a specific design within the context of a type, which is generally characterized by its dimensions. A construction can comprise several design (variants), which generally vary in terms of mechanical details; Name: Construction form of the seal surface, connection, muff A1