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.
Spin Direction. The biggest thing I see people struggling with when they use a string trimmer is spin direction. Just as a circular saw needs to eject sawdust as it works, a trimmer needs to eject debris from its cut path. If your trimmer spins counter clockwise, it ejects material from the left side of the tool and cuts best with the right side. So if you're moving along a walk, curb, or low fence, keep the right side of your body closer to the work, which will position the head of the tool so it can cut and eject to the left.