( ( Tin-copper ( ( -LRB- ( or ( tin-bronze -RRB- ) ) ) alloys ) ) ( ( are ( long-established ( in ( ( ( ( many areas ) ( of metallurgy ) ) , ) ( such ( as ( ( bearings and ) ( other ( engineering castings ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Tin-copper) (PRN (-LRB- -LRB-) (CC or) (ADJP (JJ tin-bronze)) (-RRB- -RRB-)) (NNS alloys)) (VP (VBP are) (VP (VBG long-established) (PP (IN in) (NP (NP (JJ many) (NNS areas)) (PP (IN of) (NP (NN metallurgy))) (, ,) (PP (JJ such) (IN as) (NP (NP (NNS bearings)) (CC and) (NP (JJ other) (NN engineering) (NNS castings)))))))) (. .)))
Tin-copper (  or tin-bronze) alloys are long-established in many areas of metallurgy, such as bearings and other engineering castings.
(ROOT (S (NP (NN Bronze)) (VP (VBZ is) (NP (NP (DT an) (NN alloy)) (PP (IN of) (NP (NN copper) (CC and) (NN tin))))) (. .)))