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WELDING
If you see someone welding you should know that sometimes they use argon. Argon is non-reactive so it is a good element when you use really high temperatures. It makes things safer.
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GROWING CRYSTALS
Argon is used to grow silicon crystals. When scientists grow silicon crystals it must be done in a pure environment. There can be no other elements that might combine with the silicon. Argon is used because it will not react with the silicon.
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LIGHT BULBS
When you look in a light bulb it looks like there's nothing there. But there is! Argon is a gas that scientists put in light bulbs to help them work better.
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VACUUM TUBES
When you look at a radio they are very small. Many years ago, radios used to be much larger and had big glass tubes inside. Those radio tubes were filled with argon gas.
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