( ( Subsequently ( in 1976 ) ) ( , ( ( the company ) ( ( started ( manufacture ( of ( ( Oxygen ( , ( ( Nitrogen & ) Acetylene ) ) ) ( gas plants ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (ADVP (RB Subsequently)) (IN in) (NP (CD 1976))) (, ,) (NP (DT the) (NN company)) (VP (VBD started) (NP (NP (NN manufacture)) (PP (IN of) (NP (NP (NNP Oxygen) (, ,) (NNP Nitrogen) (CC &) (NNP Acetylene)) (NP (NN gas) (NNS plants)))))) (. .)))
Subsequently in 1976, the company started manufacture of Oxygen, Nitrogen & Acetylene gas plants.
(ROOT (S (NP (NN Oxygen) (NN gas)) (VP (VBZ is) (VP (VBN given) (PRT (RP off)) (PP (IN by) (NP (NNS plants))))) (. .)))