accuracy
background
bolt
build
caliper
close
closeup
construction
digit
digital
digital caliper
digital calliper
display
engineering
equipment
exact
gouge
hand
inch
industrial
instrument
isolated
laboratory
measure
measurement
metal
metallic
meter
micrometer
millimeters
mm
number
numeral
precise
precision
rule
ruler
screw
silver
slide
steel
tool
trammel
vernier
verniercaliper
white
work