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9 years ago

shermanlee41 is supporting trend Will Natural Gas Remains as Singapore's Main Energy Source?

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9 years ago

shermanlee41 retracted support for trend Will Natural Gas Remains as Singapore's Main Energy Source?

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9 years ago

shermanlee41 is supporting trend Will Natural Gas Remains as Singapore's Main Energy Source?

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9 years ago

shermanlee41 joined the Crowdsensor community