Copyright Goodheart-Willcox Co., Inc. 601 Chapter 17 ∣ Final Drives 30. _____ are fracture patterns that radiate from one or more origin points of a slow-occurring fatigue fracture. A. Wrench marks B. Ratchet marks C. Pond marks D. Beach marks 29. ____ is the amount of stress that can be placed on a component before it stretches and breaks. A. Tensile strength B. Yield strength C. Bending strength D. Flexible strength