A plurality of smoke injection needles are inserted into or then withdrawn from tuna meat while bubbles of smoke are ejected from the smoke injection needles at intervals. The electronic components are kept ready in the form of a bar unit. The classification itself can trigger an action in compliance with a policy rule. The seal and mask having the seal is tailored to patient by causing the formable portion of the seal to be placed in a malleable state, applying the seal to the patient while the formable portion is in the malleable state, and causing the formable portion to be placed in a fixed state to retain a shape generally conforming to the portion of the patient underlying the seal. The closed position is arranged at an acute angle relative to the supply flow direction.