Description: Range of uptime from initial start-up to failure; Name: operation time to failure
Description: Operating time accumulated from the first use, or from restoration, until failure ; Name: Operating time to failure
Description: internal volume of a compartment, including the volume of nozzles to the first connection (flange, coupling, screwed connection, weld seam) but excluding the volume of internal structures (e. g. baffles, agitators); Name: Filling volume of the equipment