But technical innovations have aided the operators.
( But ( ( technical innovations ) ( ( have ( aided ( the operators ) ) ) . ) ) )
(ROOT (S (CC But) (NP (JJ technical) (NNS innovations)) (VP (VBP have) (VP (VBN aided) (NP (DT the) (NNS operators)))) (. .)))
Operators have been able to save time through the assistance of technology.
( Operators ( ( have ( been ( able ( to ( ( save time ) ( through ( ( the assistance ) ( of technology ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Operators)) (VP (VBP have) (VP (VBN been) (ADJP (JJ able) (S (VP (TO to) (VP (VB save) (NP (NN time)) (PP (IN through) (NP (NP (DT the) (NN assistance)) (PP (IN of) (NP (NN technology))))))))))) (. .)))