KEY HOLDERS

Heating equipment installation, maintenance and repair; installation and repair of air conditioning apparatus; plumbing services; repair, maintenance and cleaning of boilers

Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking being supervision, life-saving and teaching apparatus and instruments, namely, a system comprised of electronic sensors and electornic LED signs for directing vehicles to the closest available parking space; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, capacitors, voltage regulators; apparatus for r...