Marcus Ned eagerly drove his new company pickup onto the construction site. His employer,Kelso Construction Company, had just assigned him to supervise a crew of 16 equipmentoperators, oilers, and mechanics. This was the first unionized crew Marcus had supervised, andhe was unaware of the labor agreement in effect that carefully defined and limited the role of supervisors. As he approached his work area, he noticed one of the cherry pickers (a type of mobile crane with an extendable boom) standing idle with the operator beside it. Marcus pulledup beside the operator and asked, “What’s going on here?”“Out of gas,” the operator said.“Well, go and get some,” Marcus said.The operator reached to get his thermos jug out of the toolbox on the side of the craneand said, “The oiler’s on break right now. He’ll be back in a few minutes.”Marcus remembered that he had a five-gallon can of gasoline in the back of his pickup.So he quickly got the gasoline, climbed on the cherry picker, and started to pour it into the gastank. As he did so, he heard the other machines shutting down in unison. He looked around andsaw all the other operators climbing down from their equipment and standing to watch him pour the gasoline. A moment later, he saw the union steward approaching