1.  As Gas:
     a.  Heat treatment
     b.  Blanketing of oxygen sensitive liquids
     c.  Production of semiconductor electronic components
     d.  Blowing of foam type plastic
     e.  Food processing and packing
     f.  Inhibition of aerobic bacteria growth
     g.  Magnesium reduction of aluminum scrap
     h.  Pressurizing aircraft tires and emergency bottles to operate landing gear
     i.  Purging of air-conditioners, refrigerators, electronic devices, high-voltage          compression cables and pipelines
2.  As Liquid:
     a.  Freezing of perishable foods
     b.  Deflating of rubber tires
     c.  Cooling of concrete
     d.  Cooling of electronic equipment
     e.  Pulverizing plastics
     f.  Simulating the conditions in outer space
     g.  Freezing of liquids in pipelines for emergencies
     h.  Low temperature stabilization and hardening of metals
     i.  Preservation of blood, sperm and other biological products
     j.  Refrigeration of foods
     k.  Missile and space programs