A screw driver is really useful! It can really improve our lives a lot. Example When your home's screws have loosened, you can use a screw driver to tighten it for safety. You can put something on the wall with screws and you can tighten it up with a screw driver. This is why people call it Mr. Fixit. Really useful and important in our lives!
a screw with closely spread threads
The screw driver was possibly invented in the 15th century, which is when screws first appear to have been used. See the related question.
A screw driver is more high-tech than a regular nail driver or hammer. A screw is a more holding tool than a nail. It has metal ridges around it to hold it in place. A screwdriver is used for putting a screw in an area to fastening to objects and/or parts together
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ask your mother