
1) Copper alloy
Found on
https://www.crosswordclues.com/clue/cuprobraze

CuproBraze is a copper-alloy heat exchanger technology for harsh temperature and pressure environments such as those in the latest generations of cleaner diesel engines mandated by global environmental regulations. The technology, developed by the International Copper Association (ICA), is licensed free of charge to heat exchanger manufacturers ar...
Found on
http://en.wikipedia.org/wiki/CuproBraze
No exact match found.