What does THU stand for?

Tape Handling Unit (SAUS)

Tetrhydrouridine - Biochemistry

The House - Telegraphy (PCTE)

Thule - Greenland - Seismograph station code, US Geological Survey - Closed (SEIS)

Thunder - NCIC firearms make code (NCIC)

Thunder Airlines Ltd. - Canada - FAA designator (FAAC)

Thunderbird - NCIC car model code

Thunder Explorations - Vancouver Stock Exchange symbol

Thuri - Language code (ETLW)

Thursday (AFM)

Truck Hub Unit - Suspension - Automotive engineering