摘要 |
<p>An article (20) is placed in a bath of low resistance water (16), and earthed. A plurality of current distributors (15) in the form of titanium tubes in perforated PVC sheaths are disposed so that all parts of the article (20) are exposed in line of sight to at least one distributor (15). The article (20) and distributor (15) are connected to opposite poles of a rectifier (11).</p> |