O*NET OnLine"O*NET OnLine has detailed descriptions of the world of work for use by job seekers, workforce development and HR professionals, students, researchers, and more!" (O*NET OnLine website)
Occupational Outlook Handbook (OOH)"The Occupational Outlook Handbook (OOH) is a career resource offering information on the hundreds of occupations that provide the majority of jobs in the United States." (OOH website)
American Welding SocietyThe American Welding Society (AWS) was founded in 1919 as a multifaceted, nonprofit organization with a goal to advance the science, technology and application of welding and related joining disciplines.