What does TWF stand for?

Test of Word Finding (TES)

Third World Forum - Cairo, Egypt (EAIO)

Third World Foundation - British (EAIO)

Tomorrow Forenoon - Telegraphy (PCTE)

Transuranic Waste Facility - Environmental science (COE)

Transylvanian World Federation (EAIO)

Trasco Wind-Force - Vancouver Stock Exchange symbol

Truncated Whitworth Fine - Thread (MSA)

Twin Falls - Idaho - Airport symbol (OAG)

Yuli - Republic of China - Seismograph station code, US Geological Survey - Closed (SEIS)