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SULFUR OR TITANIUM DIOXIDE
- Volcanoes release plumes of ash, dust, sulfur dioxide, carbon monoxide, and other harmful gases into the air. Sulfur dioxide is the most harmful of these gases. When the gases react ...
- ... a mineral sunscreen such as zinc oxide or titanium dioxide. Less expensive products that have the same ingredients ...
- ... sodium bisulfite, can break down (decompose) to form sulfur dioxide gas, which can damage the lungs and provoke ...
- ... made materials, such as metal (stainless steel or titanium) or ceramic. These valves last the longest, but ...