Section lining is the symbolic representation of surfaces used to indicate the
material used in producing the object or the finish given to the surface of the
object. Additionally, you should notate detailed specifications on materials
or surface finishes in text on the drawing in the title strip.
Since there are
many different section lining symbols, a general-purpose section lining
(which normally represents cast iron) is often used in conjunction with
specific notations to save time and effort.
Figure 3-63 lists common section linings.
Figure 3-63.Common section linings.
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