Final answer:
The recommended practice after using electrode holders is to clean them with a dry cloth.
Step-by-step explanation:
The recommended practice after using electrode holders is to clean them with a dry cloth .After using the electrode holders, it is important to remove any residue or contaminants that may be on the surface of the holders. This can be done by simply wiping the holders with a dry cloth, ensuring that they are clean and ready for the next use .Cleaning the electrode holders helps to maintain their effectiveness and prevent any interference or contamination that could affect the accuracy of the measurements.