Ключевые слова: accident, attention, background, business, campaign, care, caution, celebration, concept, construction, contractor, corporate, danger, disease, education, emergency, equipment, event, fire, first, global, happy, health, helmet, help, industrial, insurance, international, job, month, prevention, procedure, procedures, protection, regulations, safe, safety, secure, security, sign, support, symbol, text, week, work, worldwide,