Ключевые слова: activity, amplitude, analog, chart, crime, curve, detect, detector, diagram, disaster, drawing, earthquake, electronic, examination, frequency, graph, grid, indicator, ink, instrument, isolated, lie, machine, marker, measure, meter, needle, pad, paper, peak, pen, pointer, polygraph, pulse, quake, rates, record, red, seismic, seismograph, seismometer, sheet, shot, studio, stylus, technology, test, truth, wave,