Other gases
Laboratories	Pure gases (helium, etc.) and mixtures: industrial and hospital analyses and quality control
Paper	Ozone: Clean paper pulp bleaching
Healthcare	Nitrous oxide: used as an anesthetic or an analgesic Helium: cooling of medical imaging devices
Semiconductors	Specialty gases: such as ultra-pure silane used for silicon deposition
Space	Helium: pressurization of cryogenic tanks
Other applications	Helium: balloon inflation; leak detection; supra-conductivity
Performance     Healthcare      Safety     Environment