Not very obvious what is going on. Expansion movement should be exaggerated, especially lengthening of top rod. 192.195.81.247 (talk) 15:58, 4 October 2013 (UTC)
Not very obvious what is going on. Expansion movement should be exaggerated, especially lengthening of top rod. 192.195.81.247 (talk) 15:58, 4 October 2013 (UTC)Reply
