Glass graduated scales; Glass tubes for scientific purposes; Glassware for scientific experiments in laboratories; Graduated glassware; Incubators for bacteria cultures; Industrial calibration sensors; Laboratory glassware, namely, burettes; Laboratory glassware, namely, flasks; Laboratory apparatus and instruments, namely, homogenizers; Laboratory equipment and supplies, namely, centrifuge tubes; Laboratory equipment and supplies, namely, test tubes; Laboratory equipment, namely, microscope slides; Laboratory equipment, namely, pipette racks; Laboratory equipment, namely, plastic, rubber and elastomer closures, seals and stoppers for laboratory bottles; Laboratory filters; Laboratory glassware; Measuring apparatus, namely, clamp meters for measuring electricity; Measuring spoons; Beakers; Hand-operated laboratory tools for manipulating laboratory samples; Laboratory apparatus and instruments, namely, bottle top filters used for the purification of tissue culture media; Laboratory equipment and supplies, namely, thermometers; Laboratory equipment, namely, spectroscopes; Metal grounding bushings and metal grounding clamps, both for use only as parts and fittings for coaxial cable, and not for non-electric cable or machinery or machine parts; Scientific apparatus and instruments for measuring relative DNA, RNA and protein and parts and fittings therefor; Technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids