Ключевые слова: 45 to 49 years, 4549 years, assembling, business, concentration, craft, creativity, december 2016 release, ear defenders, entertainment industry, guitar, guitar maker, handmade, indoors, industrial building, industrial facility, industry, luthier, male, man, manufacturer, mature adult, mature man, mature men, men, music industry, musical instrument, numeral, one person, only one mature man, orthographic symbol, precision, rear view, skill, small business, string instrument, symbol, thinking, waist up, workshop,