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Tabie 1.5, Types of lines Thickness, General application, Sr., Illustration, No., (in mm), 1., Visible outlines, Continuous, thick, 0.5, Dimension, lines,, extension, lines, projection lines, leader, lines,, section, construction lines etc., Continuous, 0.2, thin, hatching,, revolved, 3., Dashed, 0.3, Hidden lines, medium thick, Chain thin, 0.2, Centre line, lines of symmetry,, locus line., 5., Chain thin and, thick at ends, 0.2 for, thin and, Cutting planes, only, 0.5 for, thick ends, 6., Chain, thin, 0.2, Outlines for adjacent parts,, double, alternative, and, extreme, dashed, Continuous, thin wavy, positions of moveable parts., Irregular boundary line, short, break line., 0.2, 8., Continuous, thin with zig-, 0.2, Long break line., /-, zags, Now we ill, 2., 4., 7.
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Centre Line, 40, Hidden Line, Section Line, Extension Line, Dimension Line, 25, Outline, Projectors, Cutting Plane Line, A, Ø25, 95, Leader Line
