I won't put another darn cent into this hole. Job 28 gives fascinating insight about ancient mining. Dangles and sways - sit in rope slings. Falcons can't see - only human technology bares it. Passage is not about mining, but wisdom.
Chapter acts as an interlude between sections.
Wisdom can't be found. Wisdom can't be bought. Where people look for wisdom. A. Personal experience. B. Human history, anthropology.