12 Passenger seats for land, air, and sea vehicles, energy absorption devices as parts of the aforementioned seats ; safety belt harness including fittings therefor; element retractors and belt rewinders, belt clasps, belt tensioners, force limiters,and locks as parts of safety belt harnesses; central locks for belt harnesses; automatic opening devices having a mechanical or pyrotechnical basis; inflatable air bags for use in land, air, and sea vehicles, also as parts of passenger seats; crash sensors, evaluation devices and control apparatus for the release of safety system components in land, air, and sea vehicles