Whakakotahi
Soldering:Te tiaki i nga ahuatanga miihini o te carbide cimented me te pupuri i te tohatoha o te cobalt taketake.
WHAKAMAHI WHAKAMAHI
MO TATOU
Ka kore e whakaputaina to wahitau imeera. Kua tohua nga mara e hiahiatia ana ki te *