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].
Methane is a gas consisting of one carbon atom with four hydrogen atoms attached. The only chemical reaction it is used in is combustion.n Elements and Compounds. Burning methane is a combustion reaction, which is where a hydrocarbon (such as methane) is burnt in the presence of oxygen to form carbon dioxide and water vapor.