( It ( ( was ( used ( for ( many ( ( experiments and ) measurements ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBD was) (VP (VBN used) (PP (IN for) (NP (JJ many) (NNS experiments) (CC and) (NNS measurements))))) (. .)))
It was used for many experiments and measurements.
(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))) (. .)))