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].
A gas is any matter that does not have a fixed shape or volume. Gases take the shape of their container and can expand or contract to change their volume. Plasma is matter that exists in the form of high energy charged particles. A phase change is a transition of matter from one state to another. Phase changes occur regularly in nature and can be conducted by people. The phase in which matter exists is determined by the pressure and temperature of its surroundings.