Pipettes for laboratory use; Pipette tips for laboratory use; Pipette racks for laboratory use; Dispenser pipettes for laboratory use; Bottle-top dispenser for laboratory use; Adjustable glass-injection dispenser for laboratory use; pen pH recording for laboratory use, namely, pH meters; Laboratory equipment, namely, vortex mixers; Laboratory equipment, namely, liquid transfer controller in the nature of a pipette; Laboratory equipment, namely, liquid mixers, glass beakers, flasks, reagent bottles, dropper bottles; Apparatus for laboratory use for volumetric measurement, namely, volumetric cylinders, volumetric flasks, beakers, graduated beakers, Erlenmeyer flasks; Laboratory equipment, namely, microscope slides and cover glass for microscope slides; Laboratory equipment, namely, glass stirring rods, qualitative and quantitative filter paper, filter membranes; pipettor solution basins for laboratory use; Laboratory equipment, namely, PCR Plates, PCR Tubes, disposable pipettes; Laboratory equipment, namely, centrifuge tubes and racks for centrifuge tubes; Laboratory equipment, namely, syringe filters, microliter syringes, test tube caps, cell culture plates, hemagglutination boards, implant inoculable needles, Nickle chrome wire inoculating loop; Laboratory equipment, namely, enzyme label plates, storage box for test tubes, test tubes, racks for test tubes, petri dishes, cuvettes, sample cups, pipette stander, pipette filler, graduated glass straw, and ration suction ball