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.
Shirley Bell, Bobbie Dean and Janice Gilbert all voiced Annie during the show's run. The first non-animated (and musical) Annie, McArdle was nominated for a Tony Award in 1977 for her work. Bruce played Annie in 1978-1979.