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Riveting and Soldering ProblemsCommon Pipe Beaded and Crimped
4 other sections not shown
28-gauge galvanized iron according to dimensions altitude apex AS9I bench biscuit cutter black iron Blade Shears body bottom burr burring Connect the points corners cornice brake crimping Curb and Bars cylindrical dividers double seaming draft patterns Draw drawer drawn elbow edging end view fitting flange Fold the edges folded edges frustum groove the seam grooved seam gutter hammer hand groover hip bar hole hollow punches hydrochloric acid Intersection of Unlike irregular curve jack bar Mandrel Stake miter line molding Notch number points peen piece plan view preceding problem prick punch marks proper allowance radial development rectangular right angles sal ammoniac scratch awl semi-circle Shears sheet metal Shellac shown in Fig shows the method side view Sky Lights soldering copper square stake Stout Institute stretchout line tin plate triangle true length turning machine Unlike Diameters wire edge wire gauge wiring machine zinc