EntityQ143746· pop 35· linked from 363 articlescompressed airSign in to saveair kept under a pressure that is greater than atmospheric pressureConnectionssurface supplied divingEntityrailway air brakeEntityself-contained breathing apparatusEntityInternational Standard Book NumberEntityatmosphere of EarthEntitypressureEntityWayback MachineEntityatmospheric pressureEntityfermentationEntityhumidityEntityBrooklyn BridgeEntitynarcoticEntitytireEntityOCLC, Inc.Entityunderwater divingEntitycompressorEntityventilatorEntityDenis PapinEntityGeorge WestinghouseEntitypaintballEntityCategoriesBreathing gasesCompressed air powerEnergy storageGas technologiesIndustrial gasesPneumaticsRespiration