accuracy
accurate
black
caliper
calliper
cartoon
centimeter
construction
control
design
device
dial
digital
engineer
engineering
equipment
gauge
hand
icon
illustration
industrial
instrument
isolated
measure
measurement
metal
metallic
meter
metric
micrometer
millimeter
mm
number
object
precise
precision
rule
ruler
scale
sign
slide
steel
symbol
technical
technology
tool
vernier
white
work