I work as an engineer, and the magnets from old hard drives are extremely useful in a workshop. The older (stronger) ones are left on the doors of cabinets, so ferrous materials (screws, nuts, bolts etc.) can be placed in a convenient location. Holding 2 components together while working on them. Attaching the weaker magnets to a pole is a easy way to pick up any of those tiny nuts and bolts that have rolled under the desk!
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I work as an engineer, and the magnets from old hard drives are extremely useful in a workshop. The older (stronger) ones are left on the doors of cabinets, so ferrous materials (screws, nuts, bolts etc.) can be placed in a convenient location. Holding 2 components together while working on them. Attaching the weaker magnets to a pole is a easy way to pick up any of those tiny nuts and bolts that have rolled under the desk!