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myindospace.com — Holes ended up made in the ribs by enormous hydraulic punches so that the metal plates, formed in huge rolling mills, could be riveted to them. Then the forming of the fundamental form of the ship began. The keel was set on wooden blocks, and from it the stem, stern and ribs have been set up, so that at this stage the ship looked like a huge metal basket. Then the plates were riveted in location, and caulked, not with oakum, as in the days of sail, but by the sharp edges of the plates staying turned in with a chisel so that the total hull was watertight and easy. The metal decks ended up caulked as well, and painted, ahead of becoming laid with teak planks. When the shell was concluded, then the new ship was launched. Sep 2, 2011 View in Crawl 4