Ключевые слова: agriculture, ancient, art, background, contour, culture, design, dig, dinosaur, earthquake, equipment, excavation, flat, fossil, frequency, garden, gardening, glowing, graph, graphic, history, icon, illustration, instrument, isolated, light, line, linear, lineart, money, neon, outline, paleontology, price, pulse, quake, science, seismic, seismometer, sign, spade, symbol, technology, tool, wave, waveform,