Glossary R

A roof drainage system is any organized assembly of resources and procedures united and regulated by interaction or interdependence to draw off any liquid; also, that which flows out of a drain.

Roof covering refers to the act of protecting , screening, masking or wrapping the protective covering that covers or forms the top of a building.

Roof construction refers to the fabrication, building , assembly or putting together the parts of the protective covering that covers or forms the top of a building.

Roof antenna refers to a metallic and electronic device, variously shaped, designed for the purpose of either transmitting or receiving radio waves, as for radio or television broadcasting, or for transmitting communication signals placed, installed and located in the protective covering that covers or forms the top of a building.

Roll-forming revolves around the process of bending a continuous strip of metal through a series of shaped rolls.

RGB stands for red, green, blue which are the three (3) additive primary colors used to display color in video and computer monitors.

Reformulated gasoline (RFG) lower sulfur fuels mandated by the federal government for certain U.S. metropolitan areas with high levels of combustion-related air pollution.

RFG is the acronym of --->reformulated gasoline.