27. a mechanical fastener used on your robot, that is meant to be more permanent than a screw is\na…

27. a mechanical fastener used on your robot, that is meant to be more permanent than a screw is\na wrench\nb nut\nc rivet\nd allen key\ne screw/bolt

27. a mechanical fastener used on your robot, that is meant to be more permanent than a screw is\na wrench\nb nut\nc rivet\nd allen key\ne screw/bolt

Answer

Brief Explanations:

A wrench is a tool, not a fastener. A nut is used with a bolt and can be removed easily. An allen - key is a tool. A screw/bolt can be removed. A rivet is a permanent fastener as it deforms during installation and is difficult to remove without damage.

Answer:

C. rivet