The short answer is Yes you can look at a solar eclipse with a welding helmet. According to NASA, you will be safe using a welding helmet with at least Shade 12, "Experts suggest that one widely available filter for safe solar viewing is welders glass of sufficiently high number. The only ones that are safe for direct viewing of the Sun with your eyes are those of Shade 12 or higher." Although most people (including myself) find that Shade 13 gives the most optimal view. Just don't go up to Shade 14 or else the solar eclipse will end up being too dark.
Whether you are a skilled welder, or hobbyist, you may be familiar with the four different types of welding processes. Welding is a process of fusing a wide variety of materials together that requires the application of heat and pressure to conjoin materials. While all forms of welding seek to accomplish the fusion of materials, there are four different kinds of welding techniques that are imperative to know. Each process of welding is unique, and has a variety of features to consider.
Welder's flash is a sensation of burning in your eyes that occurs after you have worked with a welding torch. Formally, the condition is called a corneal flash burn. It results in inflammation of the cornea. Some people also refer to the condition as arc flash burns. The cornea is the surface of the eyeball. In most cases, arc flash burns affect both of the eyes rather than just one.
Welding symbols provide for a convenient way of depicting the way a particular joint is welded. However, in order to have accurate welds, the symbols must be both properly drawn and interpreted. The current U.S. standard for welding symbols was created by the American Welding Society and approved by the American National Standards Institute.
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