Providing educational demonstrations; arranging and conduction educational congresses in the field of low vision diseases; training services in the field of low vision diseases; providing educational demonstrations; professional coaching services in the field of low vision diseases; educational services, namely, conducting classes, seminars, conferences, workshops in the field of low vision diseases; educational services, namely, conducting programs in the field of low vision diseases; educat...

SPECTROSCOPIC DEVICES FOR IDENTIFYING AND DETECTING TRACE AMOUNTS OF NARCOTICS, EXPLOSIVES AND CONTRABAND SUBSTANCES