Engineer or architect plastic drafting ruler with an imperial and a metric units scale.
Keywords
rectangle,
measure,
ruler,
scale,
yardstick,
size,
chart,
vector,
vertical,
horizontal,
length,
distance,
imperial,
inch,
foot,
tape,
unit,
metric,
cm,
centimetre,
2000,
2000,
calibration,
plastic,
1,
drafting,
12,
architect,
30,
isolated,
yellow,
white,
long,
line,
mark,
gradation,
realistic,
exact,
true,
school,
sewing,
engineer,
cartography,
carpenter's shop,
geometric,
mathematic,
construction,
equipment,
dial