User talk:Erfan sadeghnezhad

Please refrain from introducing inappropriate pages to Wikipedia, as doing so is not in accordance with our policies. For more information about creating articles, you may want to read Your first article; you might also consider using the Article Wizard. If you would like to experiment, please use the sandbox. Thank you. Materialscientist (talk) 10:54, 22 January 2017 (UTC)