And so, before looking at the technical detail of what can be specified, it's strongly suggested that you read some of those essays on web design, and reach your own conclusions as to the strengths and weaknesses of the medium.
Correo de la Construcción
Alwaystone
Construinter
Litos. Natural Stone Sector Magazine
Revista Canteras y Explotaciones
Revista Rocas y Minerales
Roc Máquina