http://www.articleheaven.net en-us editorial@articlealley.com There are many different companies that manufacture various styles and models of welding helmets. Having a wide variety of options to choose from always makes the decision making process more difficult. Each company offers different products and each p... http://www.articleheaven.net/3m-speedglas-welding-helmet-overview-2161107.html 04th April 2011