Article Writing Needed (10 Articles of 550-600 Words Each)

I am seeking 5-10 writers with perfect English grammar for a long term task. This long term task requires that you be able to write articles of about 550-600 words with no spelling or grammatical errors. The following is also required: 1. The article should contain 6 paragraphs. The first paragraph should be the summary/intro paragraph that should only be about 1-3 sentences long. Please make articles informative and detailed. There should be no fillers. Articles should not sound like an advertisement. Articles should not be repetitive. For example, if the article is about a GameBoy device DO NOT use GameBoy in each sentence. Try to use different synonyms each time you need to talk about the subject. 2. Articles must include a main keyword and two secondary keywords (The keywords and the topics will be provided by me). Each keyword should only be used ONCE within the body of the article. There should be NO keywords in the summary/intro paragraph. It is your responsibility to do research on the subject and then write the article. 3. Each article should be spun to a uniqueness level of at least 80% using the spin-formatted syntax. Please refer to the attached file for more information. 4. There must be at least 10 different variations of the title all spun at the keyword level. Please refer the attached file for more information. 5. You must also provide a copy of the original un-spun article along with each of the spun versions. Keep in mind that once payment is received all rights of each article are then transferred to me and you can no longer reuse them. 6. The first order will be for 10 articles. Please place your bid for 10 articles but keep in mind that this is a long-term job. Each order should be completed within 5-7 days. 7. Articles must be original. Articles must be submitted in Text format. All articles should be spelled check before submitting. Please provide me with some examples of spun articles from work you have previously done or simply just spin any article.