supply of medical gases , medical oxygen aa- type (cyl (cap-0.34 m3) , medical oxygen a- type (cyl (cap-0.623m3) , medical oxygen b- type(cyl (cap-1.5 m3) , medical oxygen d- type (bulk)(meter cube) , nitrous oxidea- type cylinder (kg) , nitrous oxideb- type cylinder (kg.) , nitrous oxided- type (bulk) (kg) , nitrogen gas d-type (bulk) ( 99% pure culture grade nitrogen gas) meter cube , corbon dioxidea-type (kg) , corbon dioxided-type (bulk) (kg) , medical air d-type (bulk meter cube , liquid nitrogen (kg) , calibration gases conc; oxygen-15.8% carbon dioxide - 4.6%nitrogen- balance cyl ( cap- 1.3m³) , diffusion gases carbon monoxide: 0.275% helium: 17.71% balance: med grade air. cyl. ( cap- 1.3m³). , argon gas metercube , hydrogen (metercube)