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Section 3 Creating Technology
Did You Know?
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Mechanical drawings use symbols
that help explain features of the
drawings. These symbols are standard
so everyone who looks at a drawing
can understand it. Different types of
drawings use different sets of symbols.
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The symbols used in welding drawings
explain how the parts should be
welded together. Some common
welding symbols include the following:
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Symbols used in engineering
drawings include the following:
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Some common architectural symbols
include the following:
C h a p t e r 1 3
Creating Solutions
Seam
Weld “V” groove
Weld all around
Diameter
Drill through
Countersink
Door
Window