Most conveyors are used in place of warehouse personnel. But on the receiving and shipping docks, the loading and unloading zones, conveyors that extend into trailers and shipping containers interface with humans. “In those areas, we are where the rubber hits the road,” says Mark Rehder, general manager and vice president for Caljan Rite-Hite (303-321-3600,http://www.caljanritehiteus.com)). […]