9 LABORATORY EQUIPMENT AND SUPPLIES, NAMELY TEST TUBES, GLASSWARE FOR NUTRIENT SUBSTRATUMS, GRADUATED GLASSWARE, FILTERS, FILTRATION MEMBRANES AND APPARATUS, TUBES, BOTTLES, CYLINDERS, DISPENSERS, FUNNELS, PIPETTES, TUBE-RACKS, CONNECTORS, ROTATORS, STIRRERS, MIXERS, PUMPS, CHROMATOGRAPHS