In fact, sharpness and large size of the foreign object 6cm high, 2cm long or 2,3 inches high and 0,7 inches long facilitate its retention 10, 25, 44, 45, 49, 50, 56 59, 60.
El hecho de ser afilados o cortopunzantes y alcanzar grandes dimensiones en longitud > 6 cm y anchura > 2 cm favorece su retención 10, 25, 44, 45, 49, 50, 56, 59, 60.