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.
Silver soldering. Hard soldering or silver soldering is used to join precious and semi-precious metals such as gold, silver, brass, and copper. The solder is usually referred to as easy, medium, or hard. This refers to its melting temperature, not the strength of the joint. Extra-easy solder contains 56% silver and has a melting point of 1,145 Â°F (618 Â°C). Extra-hard solder has 80% silver and melts at 1,370 Â°F (740 Â°C).