Actinometers; Comparators; Photometers; Polarimeters; Calibration devices for calibrating optical emission spectrometers; Densitometers not for medical use; Electric meters; Lasers, not for medical purposes; Optical apparatus, namely, a non-lethal security device that uses a light source to detect, warn, repel, temporarily blind, disorient, nauseate, disable, confuse, debilitate, stun, subdue, stop, or incapacitate persons or animals; Optical sensors