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.
Edward Lodewijk Eddie Van Halen (born January 26, 1955) is a Dutch-American musician, songwriter and producer. He is best known as the lead guitarist, occasional keyboardist and co-founder of the hard rock band Van Halen. He is considered to be one of the world's greatest guitarists, and one of the most influential rock guitarists of the 20th century. In 2011, Rolling Stone magazine ranked Van Halen number eight in the list of the 100 Greatest Guitarists.