The mark consists of a circle comprised of a thick solid ring with four curved lines beginning on the inside of the ring and curving inward towards the center of the circle. The first curved line begins at approximately the twelve o'clock position and curves to the left and down towards the center of the circle; the second curved line begins at approximately the three o'clock position and curves up and to the left towards the center of the circle; the third curved line begins at approximately the six o'clock position and curves up and to the left towards the center of the circle; and the fourth curved line begins at approximately the nine o'clock position and curves down and to the right towards the center of the circle. Together, the four curved lines depict a swirl, helical, or whirlpool-type image.