screwdriver, wedge, tire iron,
A screwdriver is nothing but an example of a tool
A screwdriver is a hand or machine tool which assists in tightening or loosening screws.
Ratchet and flat screwdriver
A screwdriver
A hand tool is any tool that is powered by hand
screwdriver
to start something... start w/ a starting screwdriver
Electric screwdriver :)
A screwdriver is generally the proper tool.
The screwdriver is used to tighten and loosen many types of screws in many locations. It's an invaluable tool to have.
A stubby screwdriver is used when you have a limited space in which to use the tool where a longer screwdriver would not fit in the space required to loosen or tighten the screw .