Seismogram of seismic activity or lie detector record on yellow chart paper

Related tags:

• voice
• audio
• sound
• vibrator
• audio wave
• voice wave
• sound wave
• beat
• waveform
• frequency
• music wave
• record
• graph
• earthquake
• instruments
• chart
• graph paper
• diagram
• line wave
• data graph
• wave
• meter
• data illustration
• music
• geology
• volcan
• motion
• illustrations
• measurement
• line
• impact
• activity
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