Plasma Arc Machining (PAM) Plasma arc machining is a nontraditional thermal process. Plasma is defined as a gas that has been heated to a sufficiently high temperature to become partially ionized and therefore electrically conductive. The term plasma, as employed in physics, means ionized particles.
Recurring vs. Reoccurring. Reoccur and recur are verbs that share a common root word. While they are very close in meaning, they are not the same. Something that is recurring happens over and over again, possibly at regular intervals. In contrast, something that is reoccurring is simply happening again but not always repeatedly.
Recidite adversarius atque ferociter is a dog-Latin phrase used as the motto of the 467th squadron of the Royal Australian Air Force. It is apparently intended to mean Your opponents will retreat because of your courageous attack, but it does not conform to the usual rules of Latin grammar.