A university has equipped all of its theatres with laser projectors. The maintenance department should schedule

The correct answer is B. cleaning and focus checks every six months. See the full explanation below for the reasoning.

Performance, Maintenance, and Repair

Question

Alamp and filter changes every six months.
Bcleaning and focus checks every six months.
Cremote monitoring and replace equipment at end of life.
Dno inspections, as they are maintenance free and replace equipment at end of life.

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