Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, life-saving and teaching apparatus and instruments, namely, X-rays producing apparatus and installations, not for medical purposes, X-rays tubes not for medical purposes, Roentgen apparatus not for medical purposes, Radiological apparatus for industrial purposes, namely industrial X-rays producing apparatus not for medical purposes; x-ray photographs not for medical purposes, Cal...

Installation and retrofitting of LED lighting systems for buildings

Installation of residential and commerical LED Lighting Systems