A downloadable interactive aid to learning the various areas of safety and seamanship.
(what every sailor needs to know to keep safe) ,
See review at
The Nautical Knowledge – what every sailor needs to know to keep safe
A downloadable interactive aid to learning the various areas of safety and seamanship.
(what every sailor needs to know to keep safe) ,
See review at
The Nautical Knowledge – what every sailor needs to know to keep safe
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