Design and construction 50 Engineering 32 Problems, exercises, etc 25 Electrical engineering 21 Mechanical engineering 21 Management 19 Standards 18 espandi ... Equipment and supplies 17 Engineering design 16 TECHNOLOGY & ENGINEERING / Mechanical 16 Chemical engineering 14 Safety measures 14 Structural engineering 14 Environmental engineering 13 Materials 13 Planning 13 Testing 13 Water-supply engineering 13 Dynamics 12 Heat 12 Mathematical models 12 Structural analysis (Engineering) 12 TECHNOLOGY & ENGINEERING / Electrical 12 Buildings 11 Civil engineering 11 Mathematics 11 Purification 11 Transmission 11 Vibration 11 Biomedical engineering 10 riduci ...