Ключевые слова: blue, brick, chemical, chemicals, colorcoded, diamond, flammability, hazard, hazardous, health, identification, identify, ignites, indicates, indication, inform, levels, minimal, moderate, notification, notify, oxidizer, reactivity, red, regulation, regulatory, represents, requirement, safety, seriousness, severity, sign, signage, slight, symbol, symbols, wall, warning, white, yellow,