You receive an invite via email then at the interview you are asked practical question the only HR question is tell us about your self Practical question such as methods used when sampling, calculating flow rate, knowing equipment’s name and describe them in detail

It was smooth. No difficulty at all. Interviewers were considerate and welcoming. It was nerve-wracking at first but because of how welcoming they were, it felt comfortable and manageable. If you know your story, you will not have a problem.