What is mechanic 2?

As an AI language model, I do not have access to a specific context about "mechanic 2". However, generally speaking, a mechanic 2 could refer to a level 2 mechanic, indicating a more advanced or experienced mechanic than a level 1. It could also refer to a specific type of mechanic, such as an aircraft mechanic 2 or a diesel mechanic 2, which would have specific knowledge and skills in their respective areas of expertise. Without additional context, it is difficult to provide further information.