42 Inspection of fire alarm and suppression systems, detection and protection systems, CCTV systems, security card access systems, sprinkler systems, security systems, backflow systems, grease management and filter systems, commercial kitchen fire safety systems, emergency lighting systems, security card access systems, communication and mass notification systems, fire extinguishers, and components and replacement parts for each of the foregoing, for quality control purposes; testing of fire alarm and suppression systems, detection and protection systems, CCTV systems, security card access systems, sprinkler systems, security systems, backflow systems, grease management and filter systems, commercial kitchen fire safety systems, emergency lighting systems, security card access systems, communication and mass notification systems, and components and replacement parts for each of the foregoing