When it comes to woodworking, the choice of wood species can greatly affect the final product’s durability, appearance, and cost. One way to measure wood hardness is through the Janka Hardness Test. The Janka Test (Janka Hardness Rating) is a measure of the resistance of a wood species to denting and wear. It’s named after Gabriel Janka, an Austrian wood researcher who developed the test in 1906. The test involves measuring
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