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AWS A5.19:1992 pdf free download
AWS A5.19:1992 pdf free download.Specification for Magnesium Alloy Welding Electrodes and Rods.
places on clothing that can catch and retain molten metal or sparks should not be worn. High-top shoes or leather leggings and fire-resistant gloves should be worn. Pant legs should be worn over the outside of high-top shoes. Helmets or hand shields that provide protection for the face, neck, and ears, and a head covering to protect the head should be used. In addition, appropriate eye protection should be used.
When welding overhead or in confined spaces, ear plugs to prevent weld spatter from entering the ear canal should be worn in combination with goggles, or equivalent, to give added eye protection. Clothing should be kept free of grease and oil. Combustible materials should not be carried in pockets. If any combustible substance has been spilled on clothing, a change to clean, fire-resistant clothing should be made before working with open arcs or flame. Aprons, cape-sleeves, leggings, and shoulder covers with bibs designed for welding service should be used.
Where welding or cutting of unusually thick base metal is involved, sheet metal shields should be used for extra protection. Mechanization of highly hazardous processes or jobs should be considered. Other personnel in the work area should be protected by the use of noncombustible screens or by the use of appropriate protection as described in the previous paragraph.
Before leaving a work area, hot workpieces should be marked to alert other persons of this hazard. No attempt should be made to repair or disconnect electrical equip-ment when it is under load. Disconnection under load produces arcing of the contacts and may cause bums or shock, or both. (Note: Burns can be caused by touching hot equipment such as electrode holders, tips, and nozzles. Therefore, insulated gloves should be worn when these items are handled, unless an adequate cooling period has been allowed before touching.)
The following sources are for more detailed information on personal protection:
(1) ANSI/ASC Z41.1, Safety-Toe Footwear, American National Standards Institute, 11 West 42nd Street, 13th Floor, New York, NY 10036.
(2) ANSI/ASC Z49.1, Safety in Welding and Cutting, published by the American Welding Society, 550 N. W. LeJeune Road, P. 0. Box 351040, Miami, FL 33135.
(3) ANSI/ASC Z87.1, Practice for Occupational and EducationalEye and Face Protection, American National Standards Institute.
(4) Code ofFederalRegulations, Title 29 Labor, Chapter XVII, Part 1910, OSHA General Industry Standards available from the U. S. Government Printing Office, Washington, DC 20402.
A9.2 Electrical Hazards. Electric shock can kill. However, it can be avoided. AWS A5.19:1992 pdf free download.
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