Description: the mass of the object without add-on part and operating materials; Name: weight of empty object
Description: mass of the object without add-on part and operating materials; Name: empty weight
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