Standards Organizations See page 6
Letter Size
A 8.5x11
B 11x17
C 17x22
D 22x34
E 34x44
Sheet sizes
See page 35
Visible
Hidden
Center
Symmetry
Section
Dimension
Cutting plane line
Break
Phantom
Stitch
Chain
Line Types
See page 14
https://swh-826d.kxcdn.com/wp-content/uploads/2011/05/Alphabet-of-Lines-
diagram.jpg
Numbers and letters that correspond to a zone on the drawing
Border zones
See page 35, figure 3-4
Where the written information of the drawing is kept e.g drawing title, name, scale...
Title Block See page 34 figure 3-1
General notes apply to whole drawing and are written in blank space around part.
Local notes are for specific parts or areas and typically have leader lines. A callout is
a local note.
Notes (Local and General)
See page 218 ,219
Acute: Less than 90*
Obtuse: more 90 but less than 180
Reflex: Greater than 180*
Supplementary: add to 180*
Angles
See page 54