smallkaolin system sand production linein Guinea Sedleck Kaolin, a.s. acquires Prototypa, a.s., a company from Brno, which develops weapons and sells Sedleck Kaolinproducts. It starts to manage the navov plant, PKZ – Užitkov Keramika a.s., Poštorn , which specializes in theproductionof construction, chemical, garden and