Leisa uelo ma leisa solder o ni faiga ma'oti se lua ma eseese mataupu faavae galue, mea talafeagai, ma talosaga alamanuia. Ae o latou faiga malulu "leisa chiller" e mafai ona tutusa - TEYU CWFL faasologa fibre leisa chiller, pulea le vevela atamai, malu mausali ma lelei, e mafai ona faaaoga e malulu uma masini uelo leisa ma masini soldering leisa.