background
blue
centimeters
college
compass
copy
design
drafting
drawing
education
engineering
equipment
flat
geometry
item
knowledge
lay
learn
learning
length
light
marking
markings
math
mathematical
mathematics
measure
measurement
measuring
millimeter
number
object
paper
ruler
school
science
shape
sheet
space
stationery
text
top
triangle
university
view
white
wooden