Answer:
Tactile sensors on its arms, chest and head.
Explanation:
Robots need to use sensors to create a picture of whatever environment they are in. An example of a sensor used in some robots is called LIDAR (Light Detection And Ranging). Lasers illuminate objects in an environment and reflect the light back. The robot analyzes these reflections to create a map of its environment.
If you want more explanation here is the link copy and paste.
https://www.iflexion.com/blog/entertainment-robots
https://www.nationalgeographic.org/activity/making-sense-robot-sensors/
Hope this Helps! Have a Great Day!
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