When the tip disintegrates, it melts and helps solidify the weld to the base material. Arc studs range from a #8 to 1 1â4  diameter. The lengths are variable from 3/8 to 60 (for deformed bars). Arc studs are typically loaded with an aluminum flux ball on the weld end which aids in the welding process.
Quoted from wiki: Inevitable discovery is a doctrine in United States criminal procedure that allows evidence of a defendant's guilt that would otherwise be considered inadmissible under the exclusionary rule to be admitted into evidence in a trial.
The Monroe Doctrine, proposed by President james monroe in 1823, contributed to the formation of such a policy. Certain events in 1821 prompted the creation of the doctrine. An insurrection in the colonies under Spanish rule in Latin America resulted in freedom for the colonies, but several European nations threatened to intervene on Spain's behalf and restore the former colonies to Spanish domination.