ELI5: Explain Like I'm 5

Trickle valve

A trickle valve is like a tiny door that lets only a little bit of something pass through at a time. Imagine having a big bucket of water and wanting to pour out just a little bit at a time, instead of all at once. That's what a trickle valve does! It helps control how much of something, like liquid or gas, comes out of a container or pipe. It's important because sometimes too much of something coming out all at once can be dangerous or wasteful. So, the trickle valve helps to keep things safe and efficient by controlling the flow.
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