The application process is long and thorough. I really appreciated that, following the major stages, I received prompt feedback or guidelines for the following stages, helping me to develop and improve. Even though the process is very competitive, the environment is very chilled, as they try to put you at ease.

Variety of types of questions. Some are timed, and some are not - there is no immediate warning before each one. Lot's of scenario based, could be beneficial to know some manufacturing lingo beforehand.