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TESTING AND MEASURING EQUIPMENT USED IN SAMPLING AND TESTING PETROLEUM, PETROLEUM PRODUCTS AND CHEMICALS-NAMELY, BEAKERS, OIL TEST AND SAMPLING BOMBS AND ACCESSORIES USED THEREWITH, GLASS AND PLASTIC BOTTLES, TANK GAUGING AND MEASURING EQUIPMENT, CENTRIFUGES AND EQUIPMENT ASSOCIATED THEREWITH; GRADUATED CYLINDERS; LABORATORY FLASH AND FIREPOINT TESTING EQUIPMENT; OIL SAMPLE HEATERS; HYDROMETERS; MOISTURE TESTERS; PIPETTES; TANK SAMPLERS; TANK STRAPPING EQUIPMENT; THERMOMETERS AND ACCESSORIES; OIL THIEVES; AND CONTROL VALVES