Densitometers not for medical use; Food safety monitoring devices, namely, thermometers, alarms; Laboratory instrument for the detection of pathogens and toxins in a biological sample for research use; Lasers, not for medical purposes; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Photometers; Precision balances; Precision instruments for manipulation and positioning of microscopic objects; Precision theodolites; Teaching apparatus in the nature of a guard that is attached to the body of a woodwind instrument for music instruction; Testing sample collection equipment, namely, wipes and swabs for use in diagnostic testing, not for medical purposes; Artificial limbs for medical instruction purposes; Automated digital controls for commercial and industrial food service equipment; Computer-controlled apparatus for testing and measuring radio frequency signals, concentrations of gas and liquids, audio signals; Diagnostic apparatus for testing food; Educational apparatus, namely, blocks used as teaching aids for modeling chemical compounds, visualization of math concepts; Inspection machines for the physical inspection of pharmaceutical capsules, smartphones