The non-statutory Acas guide: discipline and grievances at work, which accompanies the code, states that warnings should normally be live only for a set period, for example six months for a first written warning and 12 months for a final written warning.
In general, the typical lifespan of most wet craft supplies-think liquid glue, spray adhesives, paper-backed adhesives, paint, or markers-is approximately one to two years after opening. In rare cases-spray paint, for instance-the shelf life is two to three years.
Can a GPU Last 10 Years? Absolutely. If you play the same game for ten years, then there's no reason that the same graphics card won't continue to play the game and when it was released. They can last several years, though, especially if you buy the most powerful GPU available.