Ключевые слова: advice, alert, attention, avoid, background, being told, board, building, careful, caution, chance, climb, climbing, construction, danger, dangerous, do not climb on roof, entry, fear, hazardous, information, isolated, jeopardy, loss, message, off, peril, permission, post, precaution, probability, property, protection, red, red and white, restriction, risk, roof, safety, security, showing, sign, sign on wall, signage, signal, stop, threat, wall, warning, warning no climbing,