Ключевые слова: 30 to 34 years, 3034 years, accuracy, beady eye, caucasian ethnicity, check, circular saw, closeup, component, concentration, determination, electrical component, focus on foreground, head and shoulders, holding, indoors, industrial building, industrial facility, industry, inspecting, looking through an object, machine part, machinist, male, man, men, mid adult, mid adult man, mid adult men, numeral, october 2016 release, one person, only one mid adult man, orthographic symbol, planning, precision, preparation, rotary blade, saw, selective focus, skill, stare, symbol, technology, thinking, work tool, workshop,