When working with these, you'll be able to adjust backlash, as when one's teeth put on necessitates backlash adjustment, without requiring a change in the guts distance.
Mgbe ị na-eji ndị a, ọ ga-ekwe omume ịhazigharị azụ azụ, dị ka mgbe ezé ezé chọrọ mgbatị azụ azụ, na-achọghị mgbanwe na etiti anya.