All Things Wood: Machine Graded Lumber: Technologies, Quality, and Benefits Linda Brown For more than 70 years, people have been using machines to assist in the grading of lumber. This article summarizes the machine grading methodologies for producing Machine Stress Rated Lumber (MSR) and Machine Evaluated Lumber (MEL) and highlights the similarities and differences between MSR and... Read More June 2021 Issue #13263 Page 80