10 HANDHELD POWERED DRIVE TOOLS FOR GRINDING AND POLISHING FOR USE BY DENTAL TECHNICIANS; DENTAL LABORATORY EQUIPMENT, NAMELY ARTICULATORS AND SURVEYORS, ULTRASONIC CLEANING EQUIPMENT, INFRARED SOLDERING EQUIPMENT, DENTAL CASTING EQUIPMENT, DENTAL TORCH MELTING APPARATUS, COLOR MATCHING EQUIPMENT, AND PARTS FOR SUCH DENTAL LABORATORY EQUIPMENT