Don SmithsonDon Smithson is at Lake Oroville, Calif.-based J & D Smithson Repairs.TroubleshootingStreaky Sanding: Advice to Eliminate Sanding Lines From Your Big MachineFloor sanding expert Don Smithson offers advice on how to prevent your big machine from leaving streaks on your wood floors.May 29, 2013Page 1 of 1Top StoriesSurveys2026 Wood Floor Business Contractor SurveyHere are the results from our exclusive survey of wood flooring contractors.ManagementHow Online Quoting Saved My Sanity and My BusinessTechniquesHow We Did This Floor: A Mixed Media Floor Fit for a Texas CastleLegal AdviceWood Floor Pros: Legal Risks of Working for Friends and FamilyDesignEnter the 2027 Wood Floor Business Design Awards