Pressing a button powers high output electric heat guns. As air in a balloon warms, it rises, demonstrating not only how these balloons fly, but why air rises over hot ground. If the air is humid, clouds form as the moisture cools at higher altitudes.

Pressing a button powers high output electric heat guns. As air in a balloon warms, it rises, demonstrating not only how these balloons fly, but why air rises over hot ground. If the air is humid, clouds form as the moisture cools at higher altitudes.

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