analyzing
background
black
board
button
computer
design
device
digital
display
electrical
electricity
electronic
engineer
engineering
equipment
experiment
flat
frequency
icon
illustration
industry
instrument
isolated
lab
laboratory
measure
measurement
measuring
monitor
object
oscillograph
oscilloscope
power
radio
research
science
scientific
screen
signal
sine
symbol
technology
test
tool
wave
waveform
white
work