accelerometer
atmosphere
background
black
color
contour
distance
dosimeter
electronic
equipment
fahrenheit
gadget
glyph
icon
illustration
indicator
industrial
infrared
inspection
instrument
isolated
length
light
linear
lined
logo
measure
measurement
measuring
meter
monochrome
ph
planimeter
pyrometer
range
sign
symbol
technology
temperature
theodolite
tool
volumetric
water
weight