( ( ( C technology ) ( used ( in ( these plants ) ) ) ) ( ( is ( ( analog technology ) ( ( utilizing continuous ) ( current ( , ( voltage ( , ( or ( pneumatic signals ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP C) (NN technology)) (VP (VBN used) (PP (IN in) (NP (DT these) (NNS plants))))) (VP (VBZ is) (NP (NP (JJ analog) (NN technology)) (VP (VBG utilizing) (ADJP (JJ continuous)) (UCP (ADJP (JJ current)) (, ,) (ADJP (JJ voltage)) (, ,) (CC or) (NP (JJ pneumatic) (NNS signals)))))) (. .)))
C technology used in these plants is analog technology utilizing continuous current, voltage, or pneumatic signals.
(ROOT (S (NP (NNP Voltage)) (VP (VBZ is) (ADJP (RB continuously) (VBG changing) (PP (IN within) (NP (NP (DT a) (NN circuit)) (PP (IN in) (NP (DT an) (JJ analog) (NN signal))))))) (. .)))