The first step in crosslinking process is generation. of free radicals, which can be through a chemical. reaction or radiation energy. Decomposition of. initiators which are normally peroxides, or high-. energy radiations abstracts hydrogen atom from the. backbone of polymer chain to produce free radicals.
Andrea McArdle. Andrea McArdle (born November 5, 1963) is an American singer and actress best known for originating the role of Annie in the Broadway musical Annie. Contents.
Pepper is portrayed in the film by Rosanne Sorrentino, who played Annie in the 3rd National Tour of the musical. Sorrentino originally wanted to be Annie in the film, but was too old. During auditions, Sorrentino was told she was too pretty to be Pepper, but she got the role anyway.