The art can recover and enrich the metal such as plumbum, zincum, cadmium, argentums, and indium on the basis that any energy sources are not increased.
该技术在不增加任何能源的基础上可以对铅锌铜镉银铟等金属进行回收和富积。
2
Preservative solutions without pollution help to postponing senescence of leaves and prolonging vase-life, and get the same effect with argentums preservative solution.