Iframe Tag just adds another window on your Webpage and due to which whenever a browser loads a page with an iframe it loads the original Page and Iframe as a separate 2 different pages. So in some cases Iframe is not-supported and thus, displays an Error.
Sigma is a Greek letter that corresponds somewhat to our letter S and thus sigma is often used to stand for some concept that starts with S. There is an upper case (capital) sigma and a lower case (small) sigma. They are and. is most ofter used to indicate a sum.
What Is Six Sigma Green Belt? Six Sigma is a process improvement method that was developed at Motorola. The Six Sigma approach to continuous improvement focuses on reducing errors and increasing customer satisfaction. Six Sigma is highly adaptable across business environments, and it has proven popular in various industries. Six Sigma Green Belt training introduces an overview of the key concepts necessary to be a successful member of a Six Sigma project team.