[mylesdw]

Tim: I'll take a look inside to see if has stuff about reversing the polarity. Do you know why, techinically, the reversal is needed? Another alternative that has been suggested is to use carbon dioxide for general purpose steel welding, I will have to investigate whether I can buy a small bottle rather than renting.

Perhaps we will see you down here in the south pacific sometime, I guess it is the travel that works out dear, for most visitors the exchange rate makes things seem pretty cheap one they arrive.