A board with holes drilled, and mounted horizontally is great for screwdriver storage. Even better, make it into a drawer with a ball bearing slide.
Using an oilstone on aluminum can provide a very good, matte surface. To prevent loading the stone, an thus scratching the surface, flood the area in a thin solvent or oil. WD 40 works well.
A toolpost mounted drill chuck really speeds up your work, and allows for very fast "pecking". When you set it on center, turn the leadscrew the opposite direction slightly so the cross slide can float slightly and find perfect center.
Paste was is great at stopping rust on machine surfaces. Wipe it on, wait five minutes, then buff it all off.
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