Machinery 35 Electric machinery 12 Juvenile literature 10 Machinery, Dynamics of 5 Machinery, Kinematics of 4 Pumping machinery 4 Refrigeration and refrigerating machinery 4 Vibration 4 Air conditioning 3 Design 3 Handbooks, manuals, etc 3 Machinery, Kinematics 3 Mechanical engineering 3 Mechanical movements 3 Reliability 3 Alternating current 2 Machine design 2 Measurement 2 Monitoring 2 Noise 2 Technology 2 Testing 2 Textile industry 2 Textile machinery 2 Woodworking machinery 2 Agricultural machinery 1 Alignment 1 Balancing of machinery 1 Blueprints 1 Brakes 1