"* Okay, your recent changes are looking great.  Here are a few more thoughts: 
 * Wording: ""...use of the Dvorak technique has been to provide a more ..."" - Passive grammar.  Try "" technique is that it provides a more .."" 
 * Wording: ""Some tropical cyclones do fluctuate in ..."" - Better as "" Some tropical cyclones fluctuate in ..."" 
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