Eye protection against radiant energy during welding and cutting in shipyard employment | 2016-12-13 | ISHN

Electromagnetic energy given off by an arc or flame can injure workers’ eyes and is commonly referred to as radiant energy or light radiation. For protection from radiant energy, workers must use personal protective equipment, such as safety glasses, goggles, welding helmets, or welding face shields. This equipment must have filter lenses with a shade number that provides the appropriate level of protection. A shade number indicates the intensity of light radiation that is allowed to pass through a filter lens to one’s eyes. The higher . . .
http://www.ishn.com/articles/105466-eye-protection-against-radiant-energy-during-welding-and-cutting-in-shipyard-employment

Choosing the Right Wire and Flux for Submerged Arc Welding

The submerged arc welding (SAW) process can offer excellent productivity — providing companies with a potential competitive edge. However, the wide range of wire and flux combinations on the market can make selection of the best products seem intimidating. Often, it’s not a simple “if X is the case, then use Y filler metal” answer. There are several factors to consider.
http://www.hobartbrothers.com/news/250/523/Choosing-the-Right-Wire-and-Flux-for-Submerged-Arc-Welding.html