To successfully maintain a high-speed trading card packaging line featuring Longford friction card feeders, a Syntegon (formerly Doboy) DO-DIY horizontal flow wrapper, and a Shanklin shrink wrapper, a maintenance technician requires a specialized blend of mechanical, electrical, automation, and material-science skills. Repairs and maintains, in accordance with diagrams, sketches, operation manuals, and manufacturer''s specifications, machinery and mechanical equipment, such as die cutters, web and sheet-fed presses, inserting machines, folders, conveyor systems, bindery equipment etc.