â¢ A particulate respirator P2 mask is to be worn by staff caring for these patients. â¢ A disposable anaesthetic circuit with filter is to be used for these cases. Cleaning for Airborne Precautions All furniture surfaces within the operating room and anaesthetic bay must be wiped with a neutral detergent.
Thunder is caused by the rapid expansion and contraction of the air surrounding a lighting bolt. On average, a lightning bolt is about 5 times hotter than the surface of the sun or about 50,000Â°F!
Thunderstorm Formation. Most thunderstorms form by a cycle that has three stages: the cumulus stage, mature stage, and dissipating stage. Cumulus Stage. The sun heats the Earth's surface during the day. The heat on the surface and warms the air around it.