No satisfactory explanation of the fatigue mechanism of metals has yet been advanced. The generally accepted idea involving work-hardening and subsequent ‘brittle’ fracture cannot be ...

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But if there were no "satisfactory explanation", the regulator said it would consider imposing a fine. The postal service delivered only 73.7% of First Class mail within a day - far short of the ...

Australian PM Says Israel's Explanation for Aid Worker Deaths Unsatisfactory By Lewis Jackson SYDNEY (Reuters) - Israel is yet to provide a satisfactory explanation for the death of seven aid ...