Kom­mer Da­men

Forbes - - THE WORLD’S BILLIONAIRES -

His $2.5 bil­lion (sales) Da­men Ship­yards worked with four other com­pa­nies to de­velop the world’s first 3-D-printed ship pro­pel­ler, the WAAMpeller. Built with 298 lay­ers of nickel alu­minum bronze al­loy, the pro­pel­ler was tested on one of Da­men’s tug­boats and dis­played at its head­quar­ters in Novem­ber.

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