Following are a number of back-translations as well as a sample translation for translators of Job 28:7:

• Kupsabiny: “There is no kite that knows those clefts,
  and even (the) eagle has never seen that place.” (Source: Kupsabiny Back Translation)
• Newari: “No bird of prey knows the way to get there.
  And not even the keen eyes of the falcon will see it.” (Source: Newari Back Translation)
• Hiligaynon: “The paths in the mines have- not -seen by the ravens or by the hawks,” (Source: Hiligaynon Back Translation)
• English: “Some birds have very good eyes,
  but even hawks do not know where the mines are,
  and falcons/vultures have not seen those places.” (Source: Translation for Translators)