Ship Archeologists found 3 shipwrecks that show the different stages of shipwreck building and how they tried to improve in cost and in labor. Archeologists describe the different cargos, and possible explanations on how it was sunk. The archeologist also built scale models of the ship and also tries to build the original ships back and in a sense "enters" the ship maker's life and discovers some problems he might have had, and how he built …showed first 75 words of 481 total…

…showed last 75 words of 481 total…is the last ship building evolution step to occur. The ship building evolution occurred because people always needed cheaper ways to build ships and ways that would reduce labor costs. Ships where first built hull first and as time progressed they started building ships half hull first half frame first, and finally only frame first. Frame first is the most advanced because the hull can be bent to size and held together by iron nails.