The heat weakened or fractured the rock due to thermal expansion or other procedures, based on the type of rock and ore. Crude air flow and pumping devices were being used where required. Hoisting up shafts and inclines was finished having a windlass; haulage was in “vans” and wheelbarrows. Timber https://judahndtfj.acidblog.net/67279491/helping-the-others-realize-the-advantages-of-precious-metals