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