eli5: Why do cheap lighters have a divide in their fuel reserve?

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I recently got a science teaching job and had to buy a cheap see-through lighter to ignite the Bunsens, I don’t understand why the tank has to have two different compartments on the inside. You can tilt it and fill up one or the other, could someone explain why this is necessary instead of one big tank?

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18 Answers

Anonymous 0 Comments

In addition to providing the tank with the ability to withstand structural compression loads when a heavy object is placed on it, the tank is also under pressure, and the divider connects two opposite walls together the prevent them from expanding outward and breaking the tank.

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