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About product and suppliers:
        Q: Who invented the u-boats which were used in World War 1?
A: They evolved from the Karp class vessels sold to Russia during the Russo-Japanese War in 1904 . Krupp engineer Raimondo Lorenzo designed/modified one of these 1904 of vessels into Germany the firstly U-boat ... U1 , which was commissioned into the German Navy in 1906 . 

Q: How long will it take to row 4028 miles on a rowing machine?
A: It depends if you get too tired , what sort of vessel you 're rowing in , and everything that complex info .