Laughing Gas (instrumental) this certainly got the crowd roaring. When Rhoads left the band, this song was never again performed. This solo was regularly performed, in different incarnations, with Ozzy on tour. It usually came near the end of "Suicide Solution", although Randy had to cut back the solo to just 2 minutes. One such incarnation of the solo appears on the "Tribute" album. The solo on the live album was from a different show (Montreal) than the rest of the album (Cleveland), and was haphazardly spliced in over the original for unknown reasons. Laughing Gas (instrumental) "Laughing Gas" was a song performed
Industrial gas of its energy rather than "manufactured" for use as a chemical substance or preparation. The oil and gas industry is seen as distinct. So, whilst it is true that natural gas is a "gas" used in "industry" - often as a fuel, sometimes as a feedstock, and in this generic sense is an "industrial gas"; this term is not generally used by industrial enterprises for hydrocarbons produced by the petroleum industry directly from natural resources or in an oil refinery. Materials such as LPG and LNG are complex mixtures often without precise chemical composition that often also changes whilst stored.