3D proportion system for analysis of polished and rough gemstones consisting of a laser, computer hardware, and software sold as a unit for analysis, mapping, and light tracing to calculate brightness, fire, and scintillation in gemstones

CD cases; CD sleeves; DVD cases; DVD sleeves, blank optical discs, namely, all blank, compact discs, CD-ROMs, recordable compact discs, recordable and rewriteable DVD discs, high density optical discs read and written by short wave length blue lasers, namely, blank, BD-R and BD-RE discs, and all of the above being blank and not including pre-recorded music or sound effects or catalogs of music

Burners for Industrial Heating