Working components of the dozer (IMAGE) Higher Education Press Caption Working components of the dozer. Credit Lei Hou, Weibin Li, Wenyan Gu, Zizheng Sun, Xiangqian Zhu, Jin-Hwan Choi Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.