http://www.englishforums.com/English/EslGeneralEnglishGrammar-Questions/Forum12.htmAsk your questions on grammar and get your sentence checked. We answer lots of different types of general English grammar questions here. <font color=red>DO NOT post paragraphs and compositions here. Post them in our <a href="http://www.englishforums.com/English/EssayReportCompositionWriting/Forum9.htm"><b>Essay, Report and Composition Writing Forum</b></a>.</font>enXMOD (Build: 3616.28671)http://www.englishforums.com/English/CorrectUsage/jlcgq/post.htm#807055Sun, 05 Jul 2009 08:30:46 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:807055Avangi0http://www.englishforums.com/English/CorrectUsage/jlcgq/post.htm#807055http://www.englishforums.com/English/comments12-807055.xmlI believe Philip found the only error, unless &quot;nacelle&quot; requires a capital. Is it the name of the &quot;vessel,&quot; or is it a generic term? Woops! It&#39;s generic! My relic dictionary didn&#39;t let me down! That&#39;s a new word for me. Sorry, &quot;aircraft.&quot; Actually, I was thinking spacecraft, but I believe &quot;yaw&quot; is used on both. Hmmm, there&#39;s not much wind in space.http://www.englishforums.com/English/CorrectUsage/jlcgq/post.htm#806450Sat, 04 Jul 2009 21:50:26 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:806450Philip1http://www.englishforums.com/English/CorrectUsage/jlcgq/post.htm#806450http://www.englishforums.com/English/comments12-806450.xmlWhen the wind direction changes, wind sensors mounted on top of the nacelle signals a controller which activates the yaw system. Wind sensors signal .http://www.englishforums.com/English/CorrectUsage/jlcgq/post.htmSat, 04 Jul 2009 21:04:38 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:806428Anonymous2http://www.englishforums.com/English/CorrectUsage/jlcgq/post.htmhttp://www.englishforums.com/English/comments12-806428.xmlWhen the wind direction changes, wind sensors mounted on top of the nacelle signals a controller which activates the yaw system.