מילת יחס להפריע כובש propane is lighter than air עמוק קיצורי דרך דרך
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GAIL (India) Limited on Twitter: "While propane gas is heavier than air, #NaturalGas is lighter than air. State true or false and comment your answer below. #GAILquiz #trivia #NewIndiaNewEnergy #EnergizingPossibilities https://t.co/Tni65hNgAs" /
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