殘破的密鑰提取

Broken keys in Montreal.

Process
  1. Spray penetrating oil into a keyhole to make the works loosen up. …
  2. Check on how much part of the key was broken. …
  3. Place the tip of the pair of needle-nosed pliers into the keyhole. …
  4. Move the blade of the jig saw or scroll saw into the keyhole, and the teeth facing downward.

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