The mark consists of the stylized letters A, r, t, b, o, and t wherein the letters are drawn with thick lines, and the letter "A" is capitalized and does not include the horizontal line in the middle of the letter and the letter "A" contains three circular holes in the body of the letter so that the background can be seen through the holes wherein one hole is located near the top of the letter and one hole is located near the bottom of each leg of the letter, the letter "r" contains two circular holes in the body of the letter, one near the top of the letter and one near the bottom of the letter, the letters "t" each have two circular holes in the body of the letter, one of the holes is near the bottom of the letter and one hole is near the horizontal line, the letter "b" has two circular holes in the body of the letter which are located on each side of the letter, and the letter "o" does not have any holes in the body of the letter.