Metric measurements may be set off directly on drawings with the metric scale. Decimal measurements may be set off directly on drawings with the engineers’ scale or the decimal scale.
C
Show construction
D
Show dimensions; show given or required data
I
Improve form or spacing
H
Too heavy
NH
Not heavy enough
ND
Not dark enough
SL
Sharpen pencil or compass lead
GL
Use guidelines
A
Improve arrowheads
Error in circled area
52.15.160.43