Group 1 - The article discusses a new patent application by Shanghai Zhiyuan New Technology Co., Ltd., related to robotics technology, specifically focusing on a head structure that allows for three active degrees of freedom: pitch, yaw, and roll [1] - The head structure includes a main body, at least two first driving components, a rotating component, and a yaw driving component, which work together to minimize cable damage during operation [1] - The design features a first through hole with a vertical distance from the centerline to the first axis that is less than a preset distance, allowing cables to pass through without significant friction during head movements [1] Group 2 - The article does not provide specific information on related ETFs or market performance for the robotics sector [2][3][4][5]