How to Duplicate a Tab on Firefox

When you are surfing a webpage and while you work on a page like dashboard of your website.
You may need to duplicate the tab in some cases.
Duplicating a tab means, when you are working on a webpage you can open the same content on the other tab. This will be useful in some cases like , Submitting something which may lead to error and cause erasing of all your entered text in the form you submitted. So if you have a duplicate tab of the same page. It will be helpful in such cases.
You can open duplicate tab of a webpage by two ways :

1. Press and hold the Control key and reload the page by using Reload symbol next to the URL bar of browser or by right clicking and selecting reload option from the list. which opens the same webpage in a new tab.
2. Hold the control key and move the tab of the webpage to right or left place in the tab area. Which will duplicate the tab.