The mark consists of a stylized letter "T" intersecting with a stylized letter "C", with the "C" intersecting the vertical line of the "T" at two points, and the horizontal line of the "T" being clear of the "C"; the "T" eclipses the "C" at the upper intersection and the "C" eclipses the "T" at the bottom intersection; the vertical line of the "T" tapers to a point at the bottom; all other ends of the lines of the letters are are rounded and wide at the end; the horizontal line of the "T" is arched on both sides with a peak in the middle, and the midpoint of each letter tapers out with all four midline peaks/tapers being collinear.