Ключевые слова: black, censure, change, checking, clean, college, complementary, concept, conceptual, correct, creation, design, disappear, disappointment, draw, education, effort, end, erase, eraser, error, graphite, hope, idea, impossible, learn, line, metaphor, motivation, pair, paper, pencil, rub, rubber, school, shaving, sheet, stroke, successful, team, tip, together, tool, trace, white, wood, wooden, work, write,