Spring coil and waveform signal black silhouette
Schlüsselwörter
spring,
coil,
coiled,
wave,
waveform,
signal,
frequency,
amplitude,
physics,
science,
technology,
diagram,
graphic,
illustration,
vector,
flat,
design,
element,
icon,
symbol,
black,
white,
isolated,
simple,
minimal,
shape,
silhouette,
abstract,
energy,
vibration,
oscillation,
line,
form,
outline,
monochrome
Deutsch
