Ключевые слова: angle protractor, angles, background, buttons, calculator, checking, close up, closeup, concept, desk, device, digital devices, education, educational, electronics, engineer, engineering, equipment, examination, flat lay, geodesy, glasses, headphones, horizontal, inspection, instrument, measurement, mobile, music, notebook, notepad, objects, office supplies, office utensils, on yellow, organized, pen, school, scissors, smartphone, stapler, table, table top, technology, tool, tools, top view, tripod, work, workplace,