measuring and setting the angles
ink work on drawings
drawing horizontal lines
drawing parallel lines at inclination
.
functional dimension
feature dimension
un-necessary dimension
chain dimension
converts pressure into electrical output
converts strain to electrical output
converts linear displacement to electrical signal
all of these
size and shape of the model
perspective features of the model
shading used to render the model
all the above
to measure screw threads
to measure angles
to measure cylindrical bores
to measure spherical holes
