( He ( ( ( has ( over ( 25 years ) ) ) ( experience ( in ( evaluating ( ( environmental degradation ) ( of ( ( ( materials ( in ( power plant ) ) ) and ) ( ( other ( industrial environments ) ) ( including ( ( ( all forms ) ( of ( corrosion ( and ( stress corrosion ) ) ) ) ) ( ( cracking ( in ( ( ( ( ( ( aqueous environments ) , ) ( irradiation embrittlement ) ) , ) and ) compatibility ) ) ) ( with ( liquid sodium ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBZ has) (PP (IN over) (NP (CD 25) (NNS years))) (NP (NP (NN experience)) (PP (IN in) (S (VP (VBG evaluating) (NP (NP (JJ environmental) (NN degradation)) (PP (IN of) (NP (NP (NP (NNS materials)) (PP (IN in) (NP (NN power) (NN plant)))) (CC and) (NP (NP (JJ other) (JJ industrial) (NNS environments)) (PP (VBG including) (NP (NP (DT all) (NNS forms)) (PP (IN of) (NP (NN corrosion) (CC and) (NN stress) (NN corrosion))) (VP (VBG cracking) (PP (IN in) (NP (NP (JJ aqueous) (NNS environments)) (, ,) (NP (NN irradiation) (NN embrittlement)) (, ,) (CC and) (NP (NN compatibility)))) (PP (IN with) (NP (JJ liquid) (NN sodium))))))))))))))) (. .)))
He has over 25 years experience in evaluating environmental degradation of materials in power plant and other industrial environments including all forms of corrosion and stress corrosion cracking  in aqueous environments, irradiation embrittlement, and compatibility with liquid sodium.
(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))))) (. .)))