( ( ( The heat ) ( of ( the kiln ) ) ) ( ( ( melts away ) ( ( ( the ( ( wax ( -LRB- ( lost-wax -RRB- ) ) ) ( leaving ( ( an ( empty space ) ) ( between ( the ( inner ( plaster core ) ) ) ) ) ) ) ) and ) ( ( the ( outer layer ) ) ( of plaster ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN heat)) (PP (IN of) (NP (DT the) (NN kiln)))) (VP (VBZ melts) (PRT (RP away)) (NP (NP (DT the) (NN wax) (PRN (-LRB- -LRB-) (NP (NNP lost-wax)) (-RRB- -RRB-)) (S (VP (VBG leaving) (NP (NP (DT an) (JJ empty) (NN space)) (PP (IN between) (NP (DT the) (JJ inner) (NN plaster) (NN core))))))) (CC and) (NP (NP (DT the) (JJ outer) (NN layer)) (PP (IN of) (NP (NN plaster)))))) (. .)))
The heat of the kiln melts away the wax (lost-wax) leaving an empty space between the inner plaster core and the outer layer of plaster.
(ROOT (S (NP (NP (DT The) (JJ outer) (NN core)) (PP (IN of) (NP (DT the) (NN earth)))) (VP (VBZ is) (ADJP (JJ molten))) (. .)))