Commercial aurum refining processes play a major function in the international economy, supplying purified gold for ornamental products, electronic components, medical devices, and financial reserves. However, the ecological consequences of these large-scale activities extend far beyond the processing facility. Gold processing often requires chemical processing, high-temperature smelt... https://jason628u2a.wikimillions.com/191855/understanding_the_key_techniques_of_auriferous_processing_processes_for_hobbyists_and_professionals