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: information about the manner in which clamps respectively the carrier of the supply voltage and / or signal voltage are put into effect data-, line- and / or fixationwise; Name: type of connection system