Quality control in the manufacture of windows is based on guidelines established by which association?

The correct answer is the National Woodwork Manufacturers Association, as this organization has established specific guidelines and standards for the manufacturing processes of wood products, including windows. These guidelines focus on ensuring high quality and safety in wood industry products. The association provides crucial specifications for material selection, construction practices, and finishing, which directly impact the overall functionality and longevity of windows.

Other associations listed do focus on different aspects of the building and manufacturing industries, such as lumber quality standards or architectural design principles, but they do not specifically address the quality control practices for windows in the way that the National Woodwork Manufacturers Association does. Thus, their guidelines are not the appropriate reference for window manufacturing quality control.