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Nigeria Liquefied Petroleum Gas Association on X: "Natural gas, specifically methane, is less dense than carbon dioxide, so it's technically lighter than air. Source: Quora #AmazingGasFacts #NLPGA #Gas #LPG https://t.co/dP3tYJLTSe" / X
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Aerostatic Machine based on a lighter than air gas filled balloon with sails and boat slung underneath circa 1700 Stock Photo - Alamy
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