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ANCIENT LIGHTING : Oil Lamp. Works using an oil-based fuel like groundnut oil, castor oil etc. Water 💧 is first poured in d glass container almost to d brim, then 2-3table spoon of oil. Science secret : Density. #school #unicef #creativityfound #a | by wisemanpraise

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wisemanpraise

ANCIENT LIGHTING : Oil Lamp. Works using an oil-based fuel like groundnut oil, castor oil etc. Water 💧 is first poured in d glass container almost to d brim, then 2-3table spoon of oil. Science secret : Density. #school #unicef #creativityfound #a

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Uploaded on August 30, 2017