Accurate Measurement of Flammable Gases. Combination instruments provide the flexibility to do general-purpose safety monitoring, as well as detection of very high levels of flammable gases and vapors. TODAY there are a variety of sensors used to detect flammable gases.
I saw Van Halen on the 1984 tour, there was no extra keyboard player. Ed played some keyboard on the intro into Jump and some in the middle, but stuck with the guitar for the solo. He did a solo keyboard pice as well seperately.
Van Halen. 1984. AllMusic Review by Stephen Thomas Erlewine. At the time of its release, much of the fuss surrounding 1984 involved Van Halen's adoption of synthesizers on this, their sixth album -- a hoopla that was a bit of a red herring since the band had been layering in synths since their third album, Women and Children First.