( ( ( ( ( ( Capstan bar ) , ) one ) ( of ( the ( long ( ( bars or ) levers ) ) ) ) ) ( ( by which ) ( ( the capstan ) ( is worked ) ) ) ) ; )
(ROOT (NP (NP (NNP Capstan) (CD bar) (, ,) (CD one)) (PP (IN of) (NP (DT the) (JJ long) (NNS bars) (CC or) (NNS levers))) (SBAR (WHPP (IN by) (WHNP (WDT which))) (S (NP (DT the) (NN capstan)) (VP (VBZ is) (VP (VBN worked))))) (: ;)))
Capstan bar , one of the long bars or levers by which the capstan is worked;
(ROOT (S (NP (DT The) (JJ long) (NN bone)) (VP (VBP work) (PP (IN as) (NP (NN lever)))) (. .)))