Torthaí cuardaigh

  • 1 - 7 toradh as 7 á dtaispeáint
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  1. 1

    Adventures in energy

    Adventures in energy
    LEABHAR
  2. 2

    Offshore oil platform

    Offshore oil platform
    LEABHAR
  3. 3

    Cm̤o funcionan los pozos petrolf̕eros

    Cm̤o funcionan los pozos petrolf̕eros
    LEABHAR
  4. 4
  5. 5
  6. 6
  7. 7