References in classic literature ?
Up a wide and ancient staircase the smart girl preceded Tom, shading the chamber candle with her hand, to protect it from the currents of air which in such a rambling old place might have found plenty of room to disport themselves in, without blowing the candle out, but which did blow it out nevertheless--thus affording Tom's enemies an opportunity of asserting that it was he, and not the wind, who extinguished the candle, and that while he pretended to be blowing it alight again, he was in fact kissing the girl.
They generate plasma and blow it in a plume about 50-70 mm wide and 25 mm long onto the part surface.