Technical Machines

Technical Machines are items you can use to permanently teach a Pokémon a new Fast Attack or Charged Attack.

Types
There are two types of Technical Machines that Trainers can obtain as rewards for defeating a Raid Boss — Fast TMs and Charged TMs.

Trivia

 * Legacy moves are not able to be re-rolled.  (as in you can change a legacy move for another move but you cannot get that legacy move ever again).
 * Pokémon with a single move will not be able to use a TM.