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Which piece of equipment is commonly used for cutting keys?

  1. Key cutting machine

  2. Screwdriver

  3. Drill

  4. Hammer

The correct answer is: Key cutting machine

A key cutting machine is specifically designed for the precise cutting of keys. It uses aligned guides and parts, often powered by a motor, to replicate the cuts found on an existing key. This ensures that the new key is not only identical in shape but also functions smoothly in the corresponding lock. Other tools like a screwdriver, drill, or hammer are not designed for key cutting. A screwdriver might be used for other locksmithing tasks, but it does not cut keys. A drill could potentially make holes but is unsuitable for shaping or cutting the intricate patterns required on a key. A hammer is primarily for striking and lacks any functionality relevant to the key cutting process. Thus, the key cutting machine is the appropriate tool for this specific job.