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school portable moving. Disconnecting fire alarm, electrical, security and all services.
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Emergency lighting craziness, upgrades/replacements. 12vdc system hooked up to 120vac gone wrong
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Monthly Check of Emergency Lighting
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Gym emergency lighting work, bonding gas pipe, 1964 school crawlspace, electrical maintenance
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Fire-Lite MRP-2001 System Test 1: AC Horns
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How to Start Coding | Programming for Beginners | Learn Coding | Intellipaat
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