Descriptors | Protective clothing, Firefighting personnel, Firefighting, Grades (quality), Classification systems, Occupational safety, Protective suits, Reflective materials, Performance, Heat-resistant materials, Fire-resistant materials, Thermal resistance, Flame-spread classifications, Heat conduction, Convection, Heat transfer, Dimensional changes, Tensile strength, Strength of materials, Marking, Graphic symbols, Dimensions, Design, Safety measures |