Ключевые слова: advert, advertisement, advertising, alert, art, authority, awareness, backdrop, background, behavior, billboard, blackboard, board, brick, bullying, business, caution, chalk, chalkboard, classroom, closeup, color, concept, conflict, copy, corruption, crime, criminal, design, desk, dilemma, dirty, discharged, dismissal, draw, dust, education, empty, green, grunge, guilt, hand, handwriting, harassment, holding, judgement, law, learn, legal, lesson, male, man, message, messy, mischief, mockup, pattern, penalise, penalty, person, policy, poster, precaution, prevent, problems, punishment, red, rubbed, school, scratch, sign, space, strokes, study, surface, teach, template, text, texture, tolerance, unacceptable, used, violence, wall, wallpaper, warning, white, wiped, words, workplace, wrong, zero,