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.
The surface of the soldered joint actually becomes an alloy where the copper and solder intermix. For this to happen, the copper must be very clean and free of oxidation. You can clean copper pipe in any number of ways. You can use coarse steel wool, sandpaper and/or a wire brush.f possible, use the lead free solder. The 50 percent lead solder is used for copper drain lines. It melts at a lower temperature and is able to bridge larger gaps as it cools. This is handy when working with large diameter (up to 4 inch!) copper pipe and fittings.