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.
Wolfgang William Van Halen (born March 16, 1991) is an American musician. He is the bassist for Van Halen, having replaced Michael Anthony in 2006. He is also the bassist for the heavy metal band Tremonti.