Am Montag, 12. November 2012, 23:03:08 schrieb Peter Humphrey: > On Monday 12 November 2012 17:39:15 Volker Armin Hemmann wrote: > > ... more and more transformers are filled with non-oil coolants. > > That's interesting - what other substances are used instead these days? > In my day we had nothing but mineral oil.
ethers? -- #163933
