Use of thoriated tungsten electrodes in inert gas shielded arc welding; investigation of potential hazard.
D004566:Electrodes; D006801:Humans; D005741:Noble Gases; D016272:Occupational Health; D011482:Protective Devices; D013910:Thorium / Q000633:toxicity*; D014414:Tungsten; D014896:Welding
D005741:Noble Gases; D013910:Thorium; D014414:Tungsten
INDUSTRIAL HYGIENE; THORIUM/toxicity