How do they match: Explosives Workers, Ordnance Handling Experts, and Blasters

  • Sample Taker Operator
  • Unexploded Ordnance Quality Control Officer

  • Insert powder charges into chambers of sidewall sample-taking cylinders, and assemble cylinders, using special wrenches.
  • Light fuses, drop detonating devices into wells or boreholes, or activate firing devices with plungers, dials, or buttons, in order to set off single or multiple blasts.
  • Lower perforating guns into wells, using hoists; then use measuring devices and instrument panels to position guns in correct positions for taking samples.
  • Obtain samples of earth from sidewalls of well boreholes, using electrically exploding devices.

  • Collect geological samples.