====== Push-pull Robot Arm ======
{{items:push-pull_robot_arm.png?70|Push-pull Robot Arm}}

===== Description =====
The Robot Arm will push out 1 grid away when receiving Celesthium signals and retrieve when power off.\\
Can be switched into Signal Mode with a Wrench when Celesthium is off. Under this mode, the length of the extended Robot Arm is decided by the signal intensity.\\
When it meets blocks, it will catch them.

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