Mining
PIC: When you’re so angry about copper grade you chisel it into rock
“How have you treated me for that copper? You have withheld my money bag from me in enemy territory; it is now up to you to restore my money to me in full. Take cognizance that (from now on) I will not accept here any copper from you that is not of fine quality…
“I shall from now on select and take the ingots individually in my own yard, and I shall exercise against you my right of rejection because you have treated me with contempt.”
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