Suppose your company is a mechanical and electrical contractor. Let’s call it Crackerjack Contractors, Inc., or “Crackerjack” for short. Crackerjack employs sheet metal workers and they belong to  the Superior Sheet Metal Workers Union (“Superior”). Crackerjack also has augmented its workforce with some sheet metal workers supplied by Terrific Temps (“Terrific”).  You are a manager at Crackerjack. […]