Exam (elaborations)
SPēD PSC (Physical Security Certification) - Study Guide with correct answers
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Which two lamp types last the longest? 1. Induction 2. Solid state What term is used for measuring output of light (lumens) compared to power input (watts)? Lamp efficacy 01:01 01:30 What term refers to the need for lamps to be as efficient as possible to save costs and...
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