Look up: TR-DOS

1. TR-DOS
   `TR-DOS` is a disk operating system for ZX Spectrum with Beta disc and Beta 128 disc interface. TR-DOS and Beta disc were developed by Technology Research Ltd (UK), in 1985. Most disk releases for ZX Spectrum (especially modern programs) are made for TR-DOS. Latest firm version is 5.03 (1986). Lates...
   Found on http://en.wikipedia.org/wiki/TR-DOS
   
   
2. Tratados
   Props employed in the dancing of rumba columbia, usually: cane harvest instruments like the knife or machete, staves, chairs, glasses of water, and bottles.
   Found on http://www.salsa-merengue.co.uk/4bohemia
   
   
3. Tribaldos
   `Tribaldos` is a municipality located in the province of Cuenca, Castile-La Mancha, Spain. According to the 2004 census (INE), the municipality has a population of 129 inhabitants.
   Found on http://en.wikipedia.org/wiki/Tribaldos
   
   
4. TRS-DOS
   `TRS-DOS` (which stood for the `T`andy `R`adio `S`hack - `D`isk `O`perating `S`ystem) was the operating system for the Tandy TRS-80 line of 8-bit Zilog Z80 microcomputers that were sold through Radio Shack through the late 1970s and early 1980s. Tandy`s manuals recommended that it be pronounced t...
   Found on http://en.wikipedia.org/wiki/TRS-DOS