The pin setter tends to get in the way of a good above view.
For a right handed 10 pin, from above you would see the 3 pin hit the 6 pin a little left of straight in line with the 10.
The 6 pin would just barely miss the right side of the 10 pin as it passed by.
A weak 10 pin looks very similar, the 3 pin hits the 6 pin even more left of the straight line with the 10 pin, and the 6 pin barely even makes it to the side board.
So both a weak 10, and a ringing 10 pin are symptoms of the same problem. Too much deflection, not enough drive. Just different degrees of the problem.
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