When the American flag is being displayed with flags of states, cities, schools or pennants of societies on the same halyard, the American flag should always be at the peak with the non-national flags below it. When flying flags on adjacent staffs, the American flag should always be hoisted first and lowered last.
Definition of gas. a material that is shipped in compressed gas cylinders or acts as a gas upon release at normal temperatures and pressure, or is used or handled as a gas, whether or not in strict accordance with the definition of a compressed gas as set forth in Article 9 of the Uniform Fire Code. [SEMI S4-92].
Any of the six gases helium, neon, argon, krypton, xenon, and radon. Because the outermost electron shell of atoms of these gases is full, they do not react chemically with other substances except under certain special conditions. Also called inert gas. See Periodic Table.