3d
accelerometer
atmosphere
background
color
contour
device
distance
dosimeter
electronic
equipment
fahrenheit
gadget
icon
illustration
indicator
industrial
infrared
inspection
instrument
isolated
isometric
length
linear
lined
logo
measure
measurement
measuring
planimeter
pyrometer
range
sign
symbol
technology
temperature
theodolite
thermometer
tool
volumetric
water
wattmeter
weight