9025192000 under HS Code HYDROMETERS AND SIMILAR FLOATING INSTRUMENTS, THERMOMETERS, PYROMETERS, BAROMETERS, HYGROMETERS AND PSYCHROMETERS, RECORDING OR NOT, AND ANY COMBINATION OF THESE INSTRUMENTS - THERMOMETERS AND PYROMETERS, NOT COMBINED WITH OTHER INSTRUMENTS: - OTHER: PYROMETERS, 8479820000 under HS Code MACHINES AND MECHANICAL APPLIANCES HAVING INDIVIDUAL FUNCTIONS, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER - OTHER MACHINES AND MECHANICAL APPLIANCES: MIXING, KNEADING, CRUSHING, GRINDING, SCREENING, SIFTING, HOMOGENISING, EMULSIFYING OR STIRRING MACHINES, and 7017100000 under HS Code LABORATORY, HYGIENIC OR PHARMACEUTICAL GLASSWARE, WHETHER OR NOT GRADUATED OR CALIBRATED - OF FUSED QUARTZ OR OTHER FUSED SILICA were the top imported HS Codes by LABORATORY 360 LLC in 2021.