Word forms: plural diagnoses. variable noun. Diagnosis is the discovery and naming of what is wrong with someone who is ill or with something that is not working properly. I need to have a second test to confirm the diagnosis. Symptoms may not appear for some weeks, so diagnosis can be difficult.
Definition - What does Copper Corrosion mean? Copper corrosion is the corrosion of materials made of copper or copper alloys. With exposure to atmosphere, copper oxidizes, causing bright copper surfaces to tarnish. After a few years, this tarnish gradually changes to dark brown or black, and finally to green.
If you develop a leak in a copper pipe, it usually is possible to replace just the piece of pipe that is leaking and leave the sound plumbing around it intact. Soldered joints in copper plumbing may look permanent, but with some basic tools they can be disassembled and repaired relatively easily.ently begin to heat the joint with a propane torch; you are aiming to heat the joint evenly and soften the solder without overheating the copper pipe. If the joint starts to discolor stop applying heat and wait until it cools before continuing heating.