- Isawthemneckinginthepark.Thetwoofthemwereneckingonaparkbench.Thetwoofthemwereneckingonaparkbench.Extensivethrough-thicknessshearcausescrack-tipnecking.Thepaperhasdescribedtheneckingdiestructureandtheformingprocessforshellbodies.Iftheneckingdiewaschan...
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