It is mined as a by-product of zinc, lead, tin and copper and is extracted during their ... Tungsten is also used in metal wires, electrodes, and/or contacts are for ... Gallium is one of the few elements besides uranium, thorium and phosphorus that ...
By inlaying this boron rich obsidian stone with copper wires and exposing it to ... but for it to work one side would first need to be infused with phosphorus. ... Copper could be combined with tin to make bronze weapons and ...
For instance, scrap with low phosphorus levels must be chosen if ... elements that have to be monitored at very low levels such as lead, copper, and tin, ... Steel wire which is to be used for aerospace or high-performance tires ...