The invention provides an improved method of making graft polymers. An average yield value associated with a plurality of ICs or portions of an IC formed on each one of the plurality of wafers using the semiconductor fabrication process is determined. A band of a frequency lower than a reference frequency among the multiple bands is allocated to a signal classified as at least one of the control signal, the broadcast signal and the signal requiring a short latency. The marking may allow a consumer to identify the smoking article as genuine, opposed to counterfeit. The present methods produce amorphous molecular solids having stabilities, as measured by fictive temperature, that cannot be achieved using liquid-cooling methods. The engagement and hoisting device has a nose-wheel holder and a U-shaped stand having an opening facing the aircraft.