A brazer is a skilled tradesperson who specializes in the process of brazing, which involves joining metals together using a filler metal that has a lower melting point than the workpieces. This technique is commonly used in various industries, including manufacturing, plumbing, and HVAC, due to its ability to create strong, durable joints without melting the base materials. To summarize, a brazer is an expert in the art of brazing, a method that fuses metals using a filler metal. This process is essential in many sectors, as it allows for the creation of robust connections without compromising the integrity of the original materials.