Explanation:
For 3D printing, the part can be printed on demand and shipped without any ramp up or tooling, resulting in a lead time as short as 2 or 3 days. The combination of the reduced lead time and the more efficient prototyping process reduces the time to market. This is a great advantage since delay creates uncertainty.
True, Robert Smalls was born into slavery in South Carolina and was hired out to work on steamboats as a youth. He was born an African-American slave, and during and after the Civil War became a ship's pilot, sea captain, as well as a politician. He freed himself, his family and other slaves and convinced Lincoln to let African-American soldiers fight during the war.
