Application created entirely in Spanish, and designed to help the tubero in his daily work.
With it you can calculate the development of any graft or trunium, know the advance of accessories, calculate breaks, elbow cut dimensions, pipe combs, know the size and number of bolts each flange has, calculate volumes and weights, and You will even have a small converter with the units you use the most.
And all this you will always have available in your pocket, without having to carry with you those books that you never have on hand when you need them.
You can try it by downloading "El Tubero Free" for free.

This application has an expanded and improved version called "El Tubero 2.0 Pipe Tracing", which can be downloaded at the following link:
https://play.google.com/store/apps/details?id=trazadodetuberia.eltubero