Apr. 1, 2015. TDK Corporation has announced that its Hong Kong-based HDD head manufacturing wholly owned subsidiary, SAE Magnetics (H.K.) Ltd.
You use a wrench to screw, or unscrew a bolt. A screwdriver is for screws. Either way you turn it left. Some bolts have reverse threads and would turn the other way to unbolt.
Unfold is defined as to open or undo something folded, or make something known that wasn't. 1  An example of unfold is opening a birthday card. 2  An example of unfold is uncrossing your arms. 3  An example of unfold is a secret being revealed.