Uzikano – Unofanhira kupa kiredhiti yakakodzeka, ipa kochekero yekune rezinesi, uye ratidza kana zvichinjirudzo zvaitwa. Ita sokudaro zviichienderana nenzira inonzwisisika, asi kwete nenzira ingaratidze zvekudii kuti murezinesi anokutsigira kana kushandiso kwako.
gova saizvo – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
{{Information |Description={{en|1=Animation of Helicoid}} |Source=Own work by uploader |Author=09glasgow09 |Date=2009-07-27 |Permission= |other_versions= }} Category:Surfaces