Machinery Maintenance and repair 165 Vibration 164 Engineering 110 Industrial equipment 85 Mechanical engineering 67 Monitoring 65 Design 64 Alignment 61 Measurement 53 Machine design 51 Plant maintenance 37 Reliability 35 Industrial engineering 34 Drawings 33 Engineering design 33 Equipment and supplies 28 Industrial safety 28 Mechanics, Applied 27 Structural control (Engineering) 25 Safety measures 24 Safety appliances 23 Oil palm 22 Mathematical models 21 Shafting 21 Design and construction 19 Noise 18 Blueprints 17 Engineering economy 17 Reliability (Engineering) 17