SORU: anlam bakımından parçanın bütünlüğünü bozan cümleyi bulunuz
(I) Mechanical engineering is one of the oldest and best developed fields of engineering. (II) Metal fatigue is a condition leading to breakage when a metal component is subjected to a large number of fluctuating repetitive stress. (III) It is the cause of most failures in metal components. (IV) It results from the repetition, not simply from the size of the stresses. (V) It causes minute cracks in the metal , usually at the surface, which grow and spread.