A display screen includes at least two arrays of at least two different color picture elements. The axial position of a bypass disk, which is mechanically linked to a valve needle, determines a cross section of at least one bypass channel, which bypasses the at least one swirl channel without a tangential component. The wafer is clamped concentrically to a chuck and rotated at a selectable speed, preferably in the range of 10 rpm to 1,000 rpm. for 1060 minutes while being agitated by providing oxygen or air. The resulting textile components may be lightweight and breathable, having a comfortable fit, while still providing a strong, stable, and durable construction ). The pumps, automatic dispenser and other necessary ground-based equipment are installed on the island, which is in turn supported on the roof’s concrete footing.