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
Chemical warfare large region quickly. The earliest target of chemical warfare agent research was not toxicity, but development of agents that can affect a target through the skin and clothing, rendering protective gas masks useless. In July 1917, the Germans employed mustard gas. Mustard gas easily penetrates leather and fabric to inflict painful burns on the skin. Chemical warfare agents are divided into "lethal" and "incapacitating" categories. A substance is classified as incapacitating if less than 1/100 of the lethal dose causes incapacitation, e.g., through nausea or visual problems. The distinction between lethal and incapacitating substances is not fixed, but relies on