What is the second hole in the sink for?

Have you ever noticed a small hole underneath your sink faucet? We’re not talking about the siphon that evacuates the water into the pipes! Yes, if you have never paid attention to it, you now know that your sink has two holes… Indeed, manufacturers do not have fun double-drilling your sink for the sake of aesthetics but rather for reasons of security. If this hole is confusing you, you will find good answers in this article. Explanations!
Why does a sink have two holes?
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