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This is an experiment of the world's greatest invention, Davey's safety light.
During the Industrial Revolution, there were many explosions in coal mines.
One of the main reasons for this was the light.
In order to go deeper into the mines, you need "light.
In those days, the only light available was a live flame such as a candle, which ignited flammable gas and caused an explosion.
In those days, the only light available was a live flame such as a candle, which ignited flammable gas and caused an explosion.
But in those days, the only way to light a candle was with a live flame.
I'm looking forward to seeing how it worked.
Please enjoy how it works!
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