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- 23:15, 19 December 2012 (diff | hist) . . (+299) . . N User talk:Piotrulos (Created page with "== Preview function == Please, please learn to use the PREVIEW function instead of submitting hundreds of revisions. They clutter up the revision tree, the recent changes tree...")
- 23:12, 19 December 2012 (diff | hist) . . (+17,634) . . Tutorial:Basic Rocket Design (Completely rewritten and expanded to (hopefully) be actually useful for total newcomers.)
- 21:31, 19 December 2012 (diff | hist) . . (+802) . . Terminology (Added some.)
- 15:44, 19 December 2012 (diff | hist) . . (+1,354) . . Terminology (Revised entire layout (tables!) and content of page. Also fixed dozens of typos/spelling mistakes.)
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