Ключевые слова: black, blue, board, bullet, business, chisel, classroom, colorful, communication, design, dryerase, education, equipment, erasable, fine, green, ink, learning, marker, office, orange, pen, permanent, pink, planning, presentation, purple, red, school, supplies, teaching, tip, tool, vibrant, washable, white, whiteboard marker, writing, writing utensil, yellow,