To install repair, maintain all types of alarm systems, sirens of all kinds, firefighting equipment, fire extinguishers and other materials, fire escapes apparatus, safety devices, safety belts, and harnesses, safes, locks, security equipment, and security devices of all types including radios, telephone, electric wire, televisions, radar, electronic rays, and other electric equipment flares, detection devices, and traps, cages, security locks, watches, stop-watches, and other timing devices, both mechanical and electrical fencing wire types, and goods required in connection with the business of the Company.