Wanna z płynnym piaskiem
Fluidized beds are used in industry for various reasons. They also happen to be really cool to play with and swim in. I made a liquid sand hot tub by adding air in just the right way.
![Marshall1337](https://wykop.pl/cdn/c3397992/Marshall1337_L14uo2kdNF,q52.jpg)
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Fluidized beds are used in industry for various reasons. They also happen to be really cool to play with and swim in. I made a liquid sand hot tub by adding air in just the right way.
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