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[[Kategorie: | === Patent no. 274133a: careful drill use training device === | ||
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|[[Datei:Absolutely not a cursed drill.jpg|300px]] || Cordless drills and traditional corded drills are suitable for most situations, but careless operation might lead to stripped threads and sadness. By replacing the battery Pack of a cordless drill with a slightly-too-flimsy dc power brick, a training device for careful operation of trigger-actuated drills is created. | |||
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