Engineering drawings Dimensioning 66 Tolerance (Engineering) 61 Mechanical drawing 54 Engineering design 12 Engineering graphics 12 Geometrical drawing 12 Machine design 9 Blueprints 8 Study and teaching (Secondary) 8 AutoCAD 6 Industrial design 6 Jigs and fixtures 6 Problems, exercises, etc 6 Structural drawing 5 Study and teaching 5 Charts, diagrams, etc 4 Drawings 4 Structural drawings 4 Tables 4 Visualization 4 Aids and devices 3 Compact discs in education 3 Data processing 3 Teaching 3 Automobile 2 Computer graphics 2 Computer programs 2 Computer-aided engineering 2 Creative ability 2