Having trouble on the jobsite explaining proper building techniques to your crews? Now you can enlist your smartphone or tablet as a teaching aid. APA–The Engineered Wood Association has created a mobile format for its Builder Tips series. The series features easy-to-read instructions and diagrams on such subjects as building squeak-free floors, preventing nails from popping, and keeping subfloors from buckling. Free at apawood.org/buildertips.

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