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Learn about starting fires without the use of matches or lighters.The purpose of this experiment is to find out how difficult it is to start a fire from scratch.It is an educational content by educati ...
Find out which part of a flame burns wood (in this case, a toothpick) the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.It is an educational cont ...
Smoking: objects for people using tobacco. See more
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