Microtomes; Beakers; Cover glass for microscope slides; Crucibles for laboratory use; Glass drying tubes for laboratory use; Glassware for scientific experiments in laboratories; Laboratory equipment and supplies, namely, test tubes; Laboratory filters; Laboratory glassware; Laboratory glassware, namely, flasks; Laboratory pipettes; Medical teaching mannequins; Microphone windscreens; Optical lens blanks made of glass, plastic, polycarbonate; Optical lenses made of glass, plastic, polycarbonate