( ( can ( lead ( to ( ( a reduction ) ( in ( corrosion ( resistance ( and ( impact toughness ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (MD can) (VP (VB lead) (PP (TO to) (NP (NP (DT a) (NN reduction)) (PP (IN in) (NP (JJ corrosion) (NN resistance) (CC and) (NN impact) (NN toughness))))))) (. .)))
can lead to a reduction in corrosion resistance and impact toughness.
(ROOT (S (NP (NNP Lead)) (VP (VBZ is) (NP (NP (DT a) (ADJP (JJ soft) (, ,) (JJ malleable) (, ,) (CC and) (JJ corrosion) (JJ resistant)) (NN material)) (VP (VBN called)))) (. .)))