accuracy
actual
aluminum
background
blank
business
close up
concept
cut
dimension
draft
drafting
draftsmanship
education
empty
engineering
equipment
graphing
grid
horizontal
inches
instrument
iron
isolated
length
long
magnification
math
measure
measurement
millimeter
number
object
office
old fashioned
precision
row
ruler
school
silver
single
stationary
steel
straight
supply
textured
tool
white