The enclosed link will (hopefully) take anybody who's interested, to the web page of an Austin couple, who were not "professional welders" and who, nonetheless, built their own personal submarine.
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I can only imagine the tenor of the responses they would have received from some of the people in here if they'd posted an inquiry saying:"We're a young couple who don't know how to weld. Nevertheless, we aspire to build our own submarine to take us safely to a depth of 400' and back. All advice appreciated".
Life is a road to oblivion marked by potholes of happiness and puddles of passion.
Vernon