Ключевые слова: activity, business, circle, compass, concepts, creative, designer, detail, dimensional, divider, document, drafting, drawing, education, engineer, engineering, equipment, gauge, horizontal, human, illuminated, imagination, industrial, industry, innovation, instrument, invention, inventor, lamp, light, lighting, made, measurement, paper, plan, planning, professional, radius, rolled, sketch, technology, tip, tool, work,