C-ALS

Laser measuring systems; surveying instruments; uphole and downhole survey and measurement equipment; surveying, mapping and positioning apparatus and instruments, namely, laser measurement survey and inspection tools, underground laser cavity monitoring and mapping systems; measuring, recording and indicating apparatus and instruments for measuring, recording or indicating distance, height, volume, width or area, namely, distance measuring apparatus, laser measurement survey and inspection tools, underground laser cavity monitoring and mapping systems; global positioning system apparatus range finders; lasers for measuring purposes; parts, fittings and accessories for all of the foregoing