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EXCEL 2003 LEVEL 1
2008-2008Section 4 of ANSI/AWS D1.1,2002 Structural Welding code steel
2004-2004Welding Technology/Welder
1999-1999Boiler safety ,operation,troubleshooting ,water treatment,maintenance
2013Thermoplactis Materials
2003Level 2 certified pump and seal specialist
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