why is screw more useful than a nail.
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Explanation:
When deciding between nails and screws, keep in mind that nails are less brittle, so they provide greater shear strength. ... Screws, on the other hand, may not be as forgiving, but their threaded shafts hold better in wood and draw boards together much more tightly and they have greater tensile strength
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Answer: screw is more use full as it has grooves in it whereas a nail doesnot
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