tag:blogger.com,1999:blog-12261589.post-73489747472216147482008-03-05T19:16:00.000-05:002008-03-05T19:16:00.000-05:00So why helium, and not argon, which is also inert and is a fraction of the price?Chuckhttp://www.blogger.com/profile/09706100504739548720noreply@blogger.com