This personal submarine will dive deeper than any commercial subs out there currently being designed to dive up to a half mile down.

这艘个人的潜艇将比现在市面上其他可以潜到半英里以下的商业潜艇潜的深。

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And the proceedings will necessarily slog through all the gory details of the biggest oil spill in U.S. history, forcing those of us who follow the oil industry to suffer flashbacks of the horrific explosion, oil-soaked beaches and those endless hours keeping half an eye on the submarine video feed of oil gushing from the Macondo well.

FORBES: Dear BP: Please Don't Make Us Go Through This Again

His latest work in progress is a submarine, complete with half-tonne propeller, that will take centre stage in a children's playground.

BBC: How to build a bigger, better corkscrew

The most common form of misconduct within the submarine service is going absent without leave, which accounts for about half the incidents.

BBC: Submariners punished for drunken misconduct