The difference between polishing and pickling&passivatingAs we all know, for the beer brewing tanks, the interior shell would touch brewing water, mash, wort or beer directly, so most of brewers would take much care of the polishing precision inside. Therefore, “how to improve the polishing precisio

Beer is part of the history of civilization. There is evidence that people have been drinking beer since 3500 B.C. There is evidence that animals (including primates) were getting drunk on fermented fruit juice well before then, but of course, beer itself – which requires a fair amount of coordinati