"Dave Fawthrop" wrote in message
news ....
*Right* is a concept which exists only in the minds of *people*.
There are always different ideas of *right* held by different groups of
people...

Copper anneals at dull red heat and melts within the range of cherry red
heat. Presuming that melting the tube is an undesirable result, the right
method is set by physics and is not simply an opinion.

Colin Bignell