What these 0 ETH transactions meaning?

Hello guys,

So I'm trying to understand what these 0 ETH transactions in every block means. Could anyone explain how it works? In every block I search I find like 10-30 of these.

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https://preview.redd.it/nv7emzocsyn91.png?width=1364&format=png&auto=webp&s=0c692bf15f405ccf343d121a6c4afcece7fe98a3