refresher

Twenty troops from California were also sent to Illinois to provide “refresher training.”

About 20 California National Guard troops were also pulled into political battle, deployed to provide “refresher training,” the North American Aerospace Defense Command said in a statement.

Persaud, an accountant and part-time driving instructor from Fort Lee, is giving me a tutorial—or rather a refresher course—on how to operate a manual transmission.

He said changes had been introduced to "improve the consistency of service" and additional "refresher training" had been provided.

In a way it gives you a refresher - a way to restart and put yourself in the best position to get back into that mindset again.