Not necessarily. The implementation changes. For example, riveting has largely been replaced by welding. It's unlikely a riveter today would be able to match

Not necessarily. The implementation changes. For example, riveting has largely been replaced by welding. It's unlikely a riveter today would be able to match the skill of a riveter from yesteryear. Given an arc welder a person from the golden age of riveting would be unlikely to match the skill of today's welder. Even if we don't lose the knowledge of how to do these things, we often lose the ability to put that theory into practice with the same level of skill.