Ключевые слова: 3d illustration, accident prevention, alert, attention, barriers, care, careful, caution, cones, crack, cracking, danger, danger zone, dangerous condition, earthquake, emergency, ground, ground movement, hazard, hazardous, immediate threat, imminent risk, informed, instability, modern, peril, pitfall, precaution, preserve, prevent, protection, risk, risk assessment, risk control, safeguard, safety, safety measures, secure, secure area, sign, threat level, trap, warning, warning sign,