020109, 020119, 170701, 210325, 260111, 260118, 261707, 261709 - American Indians. Athletes, strongmen. Instruments for linear measurement, including rulers, yard sticks, tape measures and surveyor's tapes and chains. Other sporting articles including gymnastic apparatus, face masks, scuba masks, diving boards, badminton shuttlecocks, punching bags, hockey pucks. Letters, numerals, punctuation, geometric figures, objects, humans, plants or animals comprising a circle. Three or more concentric circles. Lines depicting speed, propulsion, heat or wind. Curved line(s), band(s) or bar(s).