Posts by John V. Reints
To ALL, it is important to understand that "what I teach" will
To ALL, it is important to understand that "what I teach" will likely become CODE in 3-5 years. Spiral ductwork will dominate in 3-5 years because of...
To ALL, it is important to understand that "what I teach" will likely become CODE in 3-5 years. Spiral ductwork will dominate in 3-5 years because of...
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