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.
#2. Re: How to un-solder copper joints. heat the joint up till you see the solder is liquid then pull and twist the pipe from the fitting. When you re-install a new piece of pipe heat the fitting to re-soften the solder, flux pipe to be inserted and push it back in as you heat the fitting and re-apply a bead of solder.e: How to un-solder copper joints. You are going to have better luck with propper equipment and material. For under 1-1/2. I use a turbo-torch stk-9 with mapp gas.