In addition to some basic knowledge, a mechanic must have some practical skills. Should be able to skillfully use and operate drilling machine, sawing machine, bending machine, grinder, hammer, file, scraper, chisel, awl, hand saw and other locksmith tools, and can use vernier, micrometer and other measuring tools. Master gas cutting and welding technology, use hoist, jack, winch and other lifting tools and lifting methods, learn pipeline installation and maintenance technology, and learn sheet metal lofting and manufacturing technology. In practical work, maintenance workers should also be able to choose maintenance methods, tools and materials according to the repaired equipment, and be familiar with equipment disassembly and grinding equipment. Because most cement production equipment is a continuous cement production line. Therefore, maintenance personnel should master some fault diagnosis methods without stopping the machine, and have certain ability to identify faults and their causes. Machine maintenance personnel must also be familiar with various maintenance safety knowledge.