9 Security alarms; smoke alarms; fire alarms; optical fibers; downloadable electronic publications in the nature of books, newsletters, and magazines in the field of medical science and biotechnology; protection masks, namely, anti-pollution masks, dust masks, gas masks; physical and chemical laboratory apparatus and instruments, namely, laboratory glassware, laboratory centrifuges, laboratory photochemical reactors; eyeglasses; downloadable and recorded computer software for diagnosing diseases for medical purposes; ionization apparatus not for the treatment of air or water, namely, ionization apparatus for scientific and laboratory use; magnetic measuring apparatus and instruments, namely, magnetic measuring tapes, magnetic measuring rulers; automatic fire extinguishing apparatus; apparatus and instruments for testing material, namely, testing apparatus for testing printed circuit boards; semiconductor testing apparatus; measuring instruments, namely, instruments for measuring length, resistance measuring instruments, tool measuring instruments; mathematical instruments, namely, calculators and electronic instruments, namely, logic analyzers