Ha! I guessed it. Do I win a cookie?
They probably want the students to mount them correctly, as in not honking on the ring caps with 200 ft lb of torque and crushing the insides. It would be easier to tell if they did it right if the scopes worked.
They probably want the students to mount them correctly, as in not honking on the ring caps with 200 ft lb of torque and crushing the insides. It would be easier to tell if they did it right if the scopes worked.

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