Tablesaws

It goes without saying, that tablesaws are really dangerous. To lower the chance of accidents always wear a safety apron and safety glasses.

Additionally you should definitely invest in something like a SawStop. It'll certainly save your finger in the case of an accident. It basically detects electrical conductivity. In the case of a finger, it'll send an electrical signal that releases the mechanism to jam a block of aluminum into the blade and almost instantly stopping it.

To really be able to understand how insanely good it works, I'd recommend checking out slowmo videos on YouTube.