| http://www.w3.org/ns/prov#value | - It supplied: funds, wood & metal-working tools and skills, cycle technology such as chain drives, knowledge and experience with balance and control, awareness that a pilot must learn to fly through experience, and a consciousness of weight ??? ??? ??? What distinguishes the Wrights' flights of 17 December 1903 from earlier heavier-than-air flights?
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