What does TWB stand for?

Terrestrial Wide-Band (TLAA)

Toowoomba - Australia - Airport symbol (OAG)

Total Water Burden - Environmental science

Towed Vehicle Brake

Traveling-Wave Beam - LASER

Tubular Water Bath (SAUS)

Twin with Bath - Tourist accommodations (WDAA)

Typewriter Buffer

Wayland Baptist College, Plainview, TX - OCLC symbol (OCLC)

Western Tawbuid - Language symbol (ETLW)