At an electronics company the sales representative was showing prospective customers around the plant. As he led the group into the test department, a circuit board suddenly flew across the room, thrown by a quick-tempered technician frustrated in his attempts to repair it. The board crashed off a wall and landed right at our visitors’ feet. Our sales rep calmly continued his pitch: “As you can see, all our products are fully shock- and vibration-tested before leaving the factory.”