| http://www.w3.org/ns/prov#value | - In the case of the recovery of metals, a solution containing at least a portion of various metals, including, for example, precious metals, such as gold, platinum, silver and the like, contaminant or pollution metals, such as cadmium, chromium and the like, and other metals, such as zinc, garium, bismuth, alminium and the like, and preferably, an electroplating waste solution, or an etching soluti
|
