Ключевые слова: answers, atom, business, check, checklist, choice, contour, design, document, drama, education, element, exam, f, flat, form, glowing, icon, illustration, incorrect, isolated, light, line, linear, list, mark, mask, mistakes, molecular, molecule, neon, office, outline, paper, plus, questionnaire, report, school, science, set, sign, structure, survey, symbol, technology, theater,