The volumes are available again but won't be returned to the stacks until the damp library itself gets renovated.
( ( The volumes ) ( ( ( ( are ( available again ) ) but ) ( ( wo n't ) ( be ( ( returned ( to ( the stacks ) ) ) ( until ( ( the ( damp library ) ) ( itself ( gets renovated ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS volumes)) (VP (VP (VBP are) (ADJP (JJ available) (ADVP (RB again)))) (CC but) (VP (MD wo) (RB n't) (VP (VB be) (VP (VBN returned) (PP (TO to) (NP (DT the) (NNS stacks))) (PP (IN until) (NP (NP (DT the) (JJ damp) (NN library)) (SBAR (S (NP (PRP itself)) (VP (VBZ gets) (ADJP (JJ renovated))))))))))) (. .)))
The volumes were destroyed by the dampness.
( ( The volumes ) ( ( were ( destroyed ( by ( the dampness ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS volumes)) (VP (VBD were) (VP (VBN destroyed) (PP (IN by) (NP (DT the) (NNS dampness))))) (. .)))