A lung and breath control exercise device includes an elongated body with an upwardly open channel. The support member includes a plurality of protrusions that correspond to a series of fastening apertures formed in the baking sheet. Software control preserves policy flexibility and supports transactions unbounded in space and in time. Next there are the steps of cleaning residues from the surface of the device, and then directing high-temperature hydrogen gas over the exposed surfaces of the sacrificial layer to convert the silicon dioxide to a gas, which is carried away from the device by the hydrogen gas. The names of states where the detected operations are performed and the associated observation variables are stored in an observation variable-state list. In a liquid-flow meter, the coils may be applied in the dry part of the meter.