3312Machine Repair and Maintenance

repair and maintenance of machinery except motor vehicles, ships, aircraft; | repair and maintenance of railway engines; | repair and maintenance of pumps, compressors and related equipment; | repair and maintenance of steam or liquid-powered engines; | repair and maintenance of valves; | repair and maintenance of gears and steering equipment; | repair and maintenance of furnaces in industrial processes; | repair and maintenance of conveying and lifting equipment; | repair and maintenance of refrigeration equipment and air-cleaning equipment; | repair and maintenance of general commercial machinery; | repair and maintenance of other power-driven hand tools; | repair and maintenance of metal-cutting and metal-forming machine tools and accessories; | repair and maintenance of other machine tools; | repair and maintenance of agricultural tractors; | repair and maintenance of agricultural machinery and forestry and logging machinery; | repair and maintenance of metallurgical machinery; | repair and maintenance of mining, construction and oil and gas field machinery; | repair and maintenance of food, beverage, and tobacco processing machines; | repair and maintenance of clothing and leather clothing manufacturing machines; | repair and maintenance of paper-making machines; | repair and maintenance of other special-purpose machines in main group 28; | repair and maintenance of weighing equipment; | repair and maintenance of vending machines; | repair and maintenance of payment machines/cash registers; | repair and maintenance of photocopiers; | repair of calculators, whether electric or not; | repair of typewriters.