What does TWO stand for?

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

Neoucom Processing Center, Rootstown, OH - OCLC symbol (OCLC)

Ontario, CA - Location identifier - FAA (FAAL)

Technical White Oil - Petroleum engineering

This Week Only (ADA)

Tooling Work Order (MCD)

Toronto, Ontario, Canada - Amtrak rail station code

Travelling-Wave Oscillator

Tswapong - Language code (ETLW)

Twente Airlines - Netherlands - FAA designator (FAAC)