 The group completed this refocusing by withdrawing from activities that no longer matched its core business, including dimension stones (Georgia, United States) and processing.Its speciality chemicals distribution business (CDM AB, Sweden) was also divested in 2004.In 2005, refractory mineral trading activities, notably basic refractories (American Minerals, Inc, United States) and roofing products distribution (Larivière, France) were sold.