9 SCIENTIFIC APPARATUS, NAMELY, [ ACID AND CAUSTIC DISPENSING APPARATUS, ] BACTERIOLOGICAL SAFETY ENCLOSURES, TISSUE CULTURE ENCLOSURES, AND PARTS THEREOF; LABORATORY GLOVES, ULTRA VIOLET LIGHTS; CULTURE HOODS, KJELDAHL DISTILLATION APPARATUS, KJELDAHL NITROGEN APPARATUS, TITRATION UNITS, KJELDAHL DIGESTORS, FAT EXTRACTORS, CRUDE FIBER APPARATUS, LABORATORY EQUIPMENT WASHERS, AND PARTS THEREOF, FLASKS, AMPULES, SERUM BOTTLES; STOPPERABLE CHAMBERS, ACID TRAPS, VACUUM TRAPS, VACUUM PUMPS, VACUUM GAUGES, AND PARTS THEREOF; PORTABLE LABORATORY APPARATUS, namely, CARTS, TABLES, INSTRUMENT DESKS, CADDYS [ AND FLASK CARRIERS; ] TRAY DRYERS, FIRE EXTINGUISHERS, [ CHLORIDE MEASURES, COLUMN CHROMATOGRAPHY FRACTION COLLECTORS, DENSITY GRADIENT SEPARATORS, ELECTROPHORESIS CELL, ] ELECTROPHORESIS GEL DRYERS, [ ELECTROPHORESIS POWER SUPPLIES, ] EVAPORATION DEVICES [, AND PERISTALTIC PUMPS ]