Companie tanara si dinamica in domeniul geologiei ingineresti, are ca obiect principal de activitate realizarea de: studii geotehnice, studii hidrogeologice, calculul stabilitatii terenurilor si taluzelor, investigatii geofizice, consultanta si asistenta

http://www.prospectterra.ro

A series of articles pertaining to the science and technology of magnets and their properties, including the history of discoveries relating to magnets, which lead to the beginning of modern science.

http://www.mymagneticdomain.com

Information in Granite Countertops, Travertine and Marble. Includes images of most types of granites and marble.

http://granitecolors.mgcrenovations.us