9 Laboratory equipment and supplies, namely, plastic beakers, plastic flasks, and plastic storage bottles for laboratory use; plastic storage tanks for laboratory use, plastic small medicine bottles for laboratory use, plastic measuring cylinders, desiccators, [ airtight desiccators, ] vacuum desiccators, plastic funnels, [ plastic funnel stands, plastic funnel racks, plastic boxes for storage of laboratory gloves, and plastic pipettes;] plastic wash bottles for laboratory use, [ plastic test tubes, plastic test tubes stand, plastic burettes, plastic burette stands, plastic crucibles, plastic spoons for dealing with reagents, plastic dropping pipettes, plastic sieves, ] plastic water tanks for laboratory use, [ plastic evaporating trays, plastic watch glasses for laboratory use, plastic stirring rods for laboratory use, stirrer magnets covered with plastic, ] vacuum equipment for laboratory use, namely, vacuum stirring equipment, namely, plates, trays, shelves, containers [, vacuum plastic tubes for laboratory use, pressure reducing equipment for laboratory use, namely, valves, taps, gauges, pipes, pressure relief valves, drying equipment for laboratory use, namely, racks, hangers, boards, carts and hooks ]