Answers by Expert:
Questions regarding the care and maintenance of Marble, Travertine, Limestone and Terazzo. I can also help with Granite.
I am an experienced trainer working with contract cleaners trying to add hard surfaces to their list of offered services. I have a line of stone care products for sale and offer technical support for these products which gives me an edge with regard to working with natural stone.
Palomar College - undergraduate studies ISS IICRC credited training for hard surfaces
COIT Services Stanley Steemer Hydroforce