4.9/5
( 132+ reviews)
Features Knot Area Ratio (KAR)
This app allows the user an unlimited amount of practice in judging knots that are found in lumber and timber.You will learn how to calculate the KAR.The main test is purely visual, with either a "Go" or "No Go" (ok/not ok) response.The 2nd test teaches the user how to calculate the KAR.
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See the Knot Area Ratio (KAR) in Action
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Available for Android 8.0 and above