âº something that is considered to be a sign of how a future event will take place: The team's final victory of the season is a good omen for the playoffs, which start next week. a bad omen. Many people believe that a broken mirror is an omen of bad luck.
Despite all the conflicting answers here, yes you can solder brass just like copper with no special solder. Just make sure you wire brush or use emery paper on both items you want to solder so they are clean, apply flux and proceed as usual. Mike Â· 2 years ago. Thumbs up.
You need to immerse the aluminum in the oil and then clean it with a wire brush or something similar. Some people just keep brushing the aluminum with the soldering iron (or gun) tip while applying the solder. Of course, you MUST keep the aluminum, the soldering iron tip, and the solder within the layer of oil. Now there is available solder with a special flux that can be used to solder aluminum. However, this is not always available.