Ключевые слова: angle, architect, art, background, blue, calculation, concept, construction, creation, design, draw, drawing, empty, eraser, finger, geometry, gray, hand, line, male, man, markup, material, measurement closeup, measurements, note, object, paper, pen, pencil, people, person, plan, professional, project, protractor, ruler, school, shapes, sheet, sketch, space, student, symbol, tool, top, view, white, work,