Noble gas in the United States alone. For large-scale use, helium is extracted by fractional distillation from natural gas, which can contain up to 7% helium. Neon, argon, krypton, and xenon are obtained from air using the methods of liquefaction of gases, to convert elements to a liquid state, and fractional distillation, to separate mixtures into component parts. Helium is typically produced by separating it from natural gas, and radon is isolated from the radioactive decay of radium compounds. The prices of the noble gases are influenced by their natural abundance, with argon being the cheapest and xenon the most expensive. As
Life Among the Ruins bluesy hard rock and melodic metal, more similar to early Whitesnake's recordings than the epic power metal of albums like "Noble Savage" and the following "The Marriage of Heaven and Hell Part I". This is the first album with bassist Rob DeMartino, who replaced Joe O'Reilly, retired from the scene. All lyrics by David DeFeis, music as indicated Life Among the Ruins Life Among the Ruins is the fifth full-length studio album by US heavy metal band Virgin Steele. It was released in 1993, after almost five years of inactivity. The song "Snakeskin Voodoo Man" was present only in the