( This ( ( decreases ( ( ( the chance ) ( of ( measurement error ) ) ) ( due ( to ( ( sound reflections ) ( from ( ( the body ) ( of ( the technician ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ decreases) (S (NP (NP (DT the) (NN chance)) (PP (IN of) (NP (NN measurement) (NN error)))) (ADJP (JJ due) (S (VP (TO to) (VP (VB sound) (NP (NNS reflections)) (PP (IN from) (NP (NP (DT the) (NN body)) (PP (IN of) (NP (DT the) (NN technician))))))))))) (. .)))
This decreases the chance of measurement error due to sound reflections from the body of the technician.
(ROOT (S (NP (PRP You)) (ADVP (NP (NP (NN decrease) (NNS errors)) (PP (IN in) (NP (DT an) (NN experiment)))) (IN by)) (VP (VBP take) (NP (JJ many) (NNS measurements))) (. .)))