The interview focused on foundational knowledge in electrical, mechanical, and vacuum systems, including troubleshooting principles, component identification, safety practices, and basic system operation. Candidates were also expected to demonstrate an understanding of the company's products, services, and industry applications. Additionally, the interview covered company background information, including its mission, core business operations, major customers, global presence, and the locations where it manufactures, services, and supports equipment. Strong preparation in both technical fundamentals and company research was emphasized throughout the interview process.