What facility is used for seminars, demonstrations, and technician training?

A classroom is specifically designed for educational purposes, making it the ideal facility for seminars, demonstrations, and technician training. Classrooms typically feature equipment such as projectors, whiteboards, and seating arrangements that facilitate interaction and learning among participants. This environment promotes discussion, allows for hands-on demonstrations, and encourages collaboration, which is essential in training technicians who need to grasp theoretical concepts and practical skills effectively.

Workshops, while valuable for hands-on practice and application of skills, may not always provide the structured educational environment needed for seminars or formal training programs. Break rooms are intended for relaxation and socializing and do not serve any educational function. Meeting halls can accommodate larger groups and discussions but lack the academic focus and resources typically found in a classroom. Thus, a classroom stands out as the most suitable choice for the activities described in the question.