Laser receivers used for surveying apparatus and instruments, global positioning system receivers; laser measuring systems; surveying machines and instruments; measuring or testing machines and instruments for measuring distance and elevation, and not for medical use; electronic machines, apparatus and their parts, namely, laser surveying instruments, namely, lasers for use in measuring the range to, height, and weight of, and other dimensions relating to objects and terrain and creating two or three dimensional representations of the objects or terrain; rotating laser surveying instruments for surveying the position of land formations and terrestrial features and structures on a horizontal and vertical plane by illuminating lasers and swiveling lasers horizontally and vertically; laser and gps systems, namely, receivers, electronic total stations, rotating lasers, pipe lasers for use in the field of agriculture, construction, machine control, surveying, mapping and positioning; global positioning system receivers; telecommunication apparatus, namely, global positioning systems consisting of receivers, transceivers, antennas, casings, rechargeable batteries, and platforms; hydrography measuring apparatus for use in preparing surveys of costal land formations and depth of harbors and seaways; apparatus and instruments for the surveying and locating terrestrial features and structures