The Angel I execution device was used on that planet to execute criminals or political prisoners by disintegration, which was considered to be a "swift and painless" method of death. Intended victims would be placed between two glowing columns, and the device would be activated with a glowing crystal orb.

Beata, the leader of Angel I in 2364, planned to use the device to execute Ramsey and the crew of the freighter Odin after they begain to influence the planet's culture towards one of equal opportunity for the male gender. (TNG: "Angel One")