LINKS:

• American Welding Society (AWS) (www.aws.org)
  
• Clad Technologies (www.cladtechnologies.com)
  
• Hobart Institute of Welding Technology (www.welding.org)
  
• The Welding Institute (www.twi.co.uk)
  
• A History of Welding (www.weldinghistory.org)
  
• Welding Advisers (www.welding-advisers.com)
  
• Consultoría en Soldadura por Resistencia (www.weldnoz-system.com)
  
• Ensayos no Destructivos (www.aprenda.org.ar)
  
• International Institute of Welding (www.iiw-iis.org)
  
• Coatings (www.md5crk.com)
  
• Asociación Argentina de Soldadura - AWS Río de la Plata - Section 202 (VISIT IT!!!) (www.soldadura.org.ar)