CASE STUDY INDUSTRIAL CRANES PORT CRANES HEAVY-DUTY LIFT TRUCKS SERVICE MACHINE TOOL SERVICE NUCLEAR CRANES Ingalls Shipbuilding, a division of Huntington Ingalls Industries, develops and builds technologically advanced warships for the U.S. Navy, Coast Guard and Marine Corps and serves foreign and commercial markets. Ingalls has built more than 70 percent of the U.S. Navy’s surface fleet and is Mississippi’s largest manufacturing employer, with a workforce of 11,000. HOISTS PLAY INDISPENSIBLE ROLE Before they’re assembled into ships, steel plates and other large components pass through Ingalls’ blast booth. There, a high-pressure stream of abrasive media cleans and prepares the parts for assembly and duty at sea. Three hoists of a 40-year- old, 50-ton Shepard Niles overhead

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