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 specifying designation (type name, type code, abbreviated name, article number) for distinguishing by type and size or design (variant) of the used product/material; Name: Type description