There is no term comparable to green thumbs to apply to such a mechanic, but there should be. For there are men who can look, listen, tap, make an adjustment, and a machine works.
John Steinbeck (1993). “Cannery Row”, p.35, Penguin
![There is no term comparable to green thumbs to apply to such a mechanic, but there should be. For there are men who can look, listen, tap, make an adjustment, and a machine works.](http://cdn.quoteddaily.com/images/john-steinbeck/there-is-no-term-comparable-to-green-thumbs-to-apply-to-such-a-mechanic-but-there-should-be-for-there.jpg)