Transcript
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Engineering Drawings:Letters Numerals and Lines
A short series of lectures on Engineering Drawing as Part of ENGG1960 By Paul Briozzo
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Letters, Numerals and Lines• Upper case letters should be used except for conventional refs. e.g. mm, kg, kPa• Only one style of character should be used throughout a drawing• Vertical characters should be used for titles, drawing and reference numbers• Underlining of letters should be avoided • All characters on a drawing should be kept clear of lines
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Appropriate Letter Height for Sheet Sizes
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Different Types of Lines Available
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Example of Usage
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Appropriate Line Type and Thickness (mm)