Again, thank you - I did the same google search and found that explanation highly unlikely. In the 45 years that I've been in shipbuilding/oil&gas bull plugs have never been hollow (ask yourself why would they be ?) but I've known plenty of "old welders" that would delight in concocting that story just for the fun of it
Again, thank you - I did the same google search and found that explanation highly unlikely. In the 45 years that I've been in shipbuilding/oil&gas bull plugs have never been hollow (ask yourself why would they be ?) but I've known plenty of "old welders" that would delight in concocting that story just for the fun of it
