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while work is in progress. The fire extinguishers should be ABC rated, UL (UnderwritersLaboratories) approved and at least 10-pounds in capacity. There should be at least ... enclosed. The alarm
signal activated by these sensors must be monitored by a UL (UnderwritersLaboratories)
approved central monitoring station. These motion sensors should be placed in central
areas like ... complete
burglar alarm system will be required. This final system should consist of UL (UnderwritersLaboratories) approved magnetic contacts on accessible exterior doors and windows and
interior motion and/or glass