( ( ( Corrosion Embrittlement ) ( The embrittlement ) ) ( ( ( ( caused ( in ( certain alloys ) ) ) ( by exposure ) ) ( to ( a ( corrosive environment ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Corrosion) (NNP Embrittlement)) (NP (DT The) (NN embrittlement))) (VP (VBD caused) (PP (IN in) (NP (JJ certain) (NNS alloys))) (PP (IN by) (NP (NN exposure))) (PP (TO to) (NP (DT a) (JJ corrosive) (NN environment)))) (. .)))
Corrosion Embrittlement The embrittlement caused in certain alloys by exposure to a corrosive environment.
(ROOT (S (NP (NP (JJ Gradual) (NN degradation)) (PP (IN of) (NP (NP (DT a) (NN material)) (ADJP (JJ due) (PP (TO to) (NP (NP (PRP$ its) (NN exposure)) (PP (TO to) (NP (DT the) (NN environment))))))))) (VP (VBZ is) (VP (VBN known) (PP (IN as) (NP (NN corrosion))))) (. .)))