RO/DI capacities are measured in gallons per day (GPD), and typically fall within the 25-100 GPD range. The main difference between these units is the size of the RO membrane.
Along with inspiration from black family culture, and racial issues, many of Nikki Giovanniâs poems showcase her strong faith in God, as well as womanhood. Blues music and rhythm are also key components of many of Giovanniâs pieces.
One such painter was the young Raphael, who sketched Leonardoâs work in progress and adopted the Mona Lisa format for his portraits; it served as a clear model for his Portrait of Maddalena Doni (c. 1506). Leonardo even influenced the fashion in which artists dressed their subjects.