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Images tagged with “boring”

  • Workers with salt boring equipment, Tzuliuching, Zidong

    Workers with salt boring equipment, Tzuliuching, Zidong
  • Some salt boring rigs, Tzuliuching, Zidong

    Some salt boring rigs, Tzuliuching, Zidong
  • Eight boring tools, salt wells, Tzuliuching, Zidong

    Eight boring tools, salt wells, Tzuliuching, Zidong
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