Ключевые слова: access, business, clothing, construction, construction site safety, contraction, control, danger, dangerous, design, dusty, engineering, entry, equipment, graphic, hazard, hazardous, health, icon, industrial, industry, inform, information, instructions, machine, machinery, mandatory, notice, outdoor, project, protect, protection, protective, regulation, risk, safety, safety signage, security, sign, signage, signal, site, site safety sign, structure, symbol, text, warning, work, workplace,