ICB/TABB

In March, a sub-group of Boston-area Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) held a course at Sheet Metal Workers Local 17 near Boston in order to help local testing, adjusting and balancing (TAB) technicians earn the continuing education units (CEUs) needed to maintain their International Certification Board/Testing, Adjusting and Balancing Bureau (ICB/TABB)...
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