This is because to locate gold, you must dig very deep holes while in the ground; and also to extract the treasured metal, you may need harmful mercury. Mineworkers went with a strike to obtain management to recognise union rights. The strike altered the nature of politics in South Africa https://gold-mining-in-south-afri95270.bloguetechno.com/little-known-facts-about-buy-gold-from-thailand-66398491