Description: Period of time during which an item performs its intended function, it includes all the time a machine is continuously running from start-up until it is shut down.; Name: ot
Description: passed time period after comissioning of a system, sub-system, component or piping; Name: Operating time 
Description: The operating temperature TS1 is the maximum value of the operating temperature defined from a safety point of view by the manufacturer of the system for the various components. The temperature point TS1 is in correlation to the pressures PS1+ and PS1-; Name: Max. permissible operating temperature at TS1, room2