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.
Solder used for electronics is a metal alloy, made by combining tin and lead in different proportions. You can usually find these proportions marked on the various types of solder available. With most tin/lead solder combinations, melting does not take place all at once.ote. Although tip temperature is not the key element in soldering you should always start at the lowest temperature possible. A good rule of thumb is to set the soldering iron tip temperature at 260 C - 500 F and increase the temperature as needed to obtain the desired result.