Tools at work

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Across
  1. 3. a tool for making circular holes, consisting of a metal cylinder with a toothed edge.
  2. 6. a test tool used to measure two or more electrical values—principally voltage (volts), current (amps) and resistance (ohms). It is a standard diagnostic tool for technicians in the electrical/electronic industries.
  3. 8. a tool for removing the insulation from electric wires.
  4. 9. a tool with a flattened or cross-shaped tip that fits into the head of a screw to turn it.
Down
  1. 1. a cement mixer.
  2. 2. A wooden rod shaped like a large T-square, used for establishing level surfaces.
  3. 4. a brace, band, or clasp for strengthening or holding things together.
  4. 5. a long-bladed hand tool with a bevelled cutting edge and a handle which is struck with a hammer or mallet, used to cut or shape wood, stone, or metal.
  5. 6. a felt-tip pen with a broad tip.
  6. 7. a device that holds a piece of work and guides the tool operating on it.