Industrial opal “noodling” equipment … ie sifting old mine workings for precious stones that were missed.
passportandpixels.com/digging-opals-… https://t.co/ECKLSCVYOy
RT @BJMbraun: How to be an effective political economist: Laser focus on the neuralgic points of the state-market nexus, follow
May 18, 2023
RT @BJMbraun: How to be an effective political economist: Laser focus on the neuralgic points of the state-market nexus, follow the money,…