The work of the Mechanical Automation and Maintenance Fitter involves plant and machinery installation, maintenance and repairs, replacement of broken or worn parts, adjustment and servicing. The work also involves fabrication of replacement parts using machine tools i.e. lathes, milling machines, grinders, etc. Components may have to be repaired or fabricated using welding, brazing, riveting and soldering techniques. Increasingly machines and processes involve integration of computer, electronic and programmable control systems with mechanical/ hydraulic, pneumatic systems i.e. PLCs (programmable logic controllers), CNC (computer numerical control), Robots and CIM (Computer Integrated Manufacturing).