Vest on the left is a modacrylic flame resistant vest. Vest on the right is a 100% Polyester treated FR. As you can see, the vest continues to burn, melt and drip long after the flash. Note the flame burning next to the mannequin head. Both mannequins are wearing flame resistant undergarments.
VERDICT / Despite some compatibility conflicts, Opera is a secure, fast and feature-rich internet browser worthy of your consideration. Having started back in 1995, Opera stands as the second-oldest web browser currently in use. This software runs on a Google Chromium system.
More recently, Netscape has been replaced by Mozilla Firefox as the most popular alternative to Internet Explorer. Firefox is a free browser that can be downloaded from the website for the Mozilla Foundation. Another popular web browser is Opera. Originally available only as either a paid version or an ad supported free version, Opera is now available as a free download that does not display ads.