Description: duration of a maintenance action, excluding logistic delay; Name: active maintenance time
Description: Part of the maintenance time when active maintenance is carried out on an item ; Name: Active maintenance time
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