welding lens

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• Welding helmet — Welding helmets are headgear used when performing certain types of welding to protect the eyes, face and neck from flash burn, ultraviolet light, sparks and heat. Most commonly used with arc welding processes such as shielded metal arc welding… …   Wikipedia

• Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …   Wikipedia

• Laser beam welding — (LBW) is a welding technique used to join multiple pieces of metal through the use of a laser. The beam provides a concentrated heat source, allowing for narrow, deep welds and high welding rates. The process is frequently used in high volume… …   Wikipedia

• Laser-hybrid welding — is a type of welding process that combines the principles of laser beam welding and arc welding. Introduction The combination of laser light and an electrical arc into an amalgamated welding process has beenknown since the 1970 s, but has only… …   Wikipedia

• Glasses — Glasses, also called eyeglasses or spectacles, are frames bearing lenses worn in front of the eyes, normally for vision correction, eye protection, or for protection from UV rays.Modern glasses are typically supported by pads on the bridge of the …   Wikipedia

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …   Wikipedia

• Sunglasses — For the Divine Brown song, see Sunglasses (song). Wearing sunglasses under direct sunlight: Large lenses offer good protection, but broad temple arms are also needed against stray light from the sides. Sunglasses or sun glasses are a form of… …   Wikipedia

• eye disease — Introduction  any of the diseases or disorders that affect the human eye (eye, human).       This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… …   Universalium

• Eye protection — is protective clothing for the eyes, which comes in many types depending upon the threat that is to be reduced. *Goggles are forms of protective eyewear that usually enclose or protect the eye area in order to prevent particulates, infectious… …   Wikipedia