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Question 3 To sharpen the blade of a knife by rubbing it against a surface, which of the following will be most suitable? (a) stone (b) plastic block (c) wooden block (d) glass block

Answer» Question 3
To sharpen the blade of a knife by rubbing it against a surface, which of the following will be most suitable?

(a) stone
(b) plastic block
(c) wooden block
(d) glass block


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