Softwood can be identified when your thumbnail leaves a visible scratch mark on the wooden surface during the fingernail test. If no mark is left, then it is hardwood. Class 8 Vocational Education Part 2 Work with Machines and Materials Class 8 ...
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Softwood can be identified when your thumbnail leaves a visible scratch mark on the wooden surface during the fingernail test. If no mark is left, then it is hardwood. Class 8 Vocational Education Part 2 Work with Machines and Materials Class 8 ...