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Use and Care of Instruments
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angle auxiliary plane auxiliary view axis axonometric projection base beam bolt Cavalier projection center line chapter chart circle cone construction contour contour lines coordinate curve cutting plane cylinder datum detail diameter dimensions distance draw a line drawn drill edgewise view elements ellipse engineering equal equation face Figure front view gage gear given graphical hole horizontal line illustrated in Fig inch isometric isometric projection layout letters line perpendicular machine metal method necessary object oblique oblique projection obtained orthographic orthographic projection pencil perspective picture plane pipe pitch plane of projection plotted point of sight position problem radius reference line scale screw threads screws shaft shape sheet shown in Fig shows sketch skew lines slope space specified square standard straight line surface symbols tangent thickness thread tion tool top view triangle trimetric projection true length USASI V-plane vanishing points vector vertical line welding