Prisms for optical purposes; optical lenses; optical goods, namely, optical cables, optical glasses, optical scanners, optical lenses, optical sensors, optical lens blanks, prisms for optics purposes; optical machines and apparatus, namely, optical breadboards, optical scanners, optical disk readers, and optical sensors; photographic apparatus and instruments, namely, photographic cameras, photo printers, and photographic flashbulbs; cinematographic apparatus and instruments, namely, video ca...

Industrial chemicals; magnesium hydroxide; calcium carbonate; magnesium carbonate; magnesium oxide