Dan Ridley-Ellis.
Edinburgh Napier University.
A quick look at the main types of grading machines being used in Europe for strength grading (aka stress grading) of structural timber - with a view on how suitable they might be for grading recycled timber.
The full list of machines approved for machine controlled grading of structural timber in Europe is here: https://blogs.napier.ac.uk/cwst/grading-machines-speeds/
