Some die-cutting operations allow for a number of knit tubes to be centered, placed on one another, and then cut.
( ( Some ( die-cutting operations ) ) ( ( ( allow ( for ( ( a number ) ( of ( knit tubes ) ) ) ) ) ( to ( be ( ( ( ( ( centered , ) ( placed ( on ( one another ) ) ) ) , ) and ) ( then cut ) ) ) ) ) . ) )
(ROOT (S (NP (DT Some) (JJ die-cutting) (NNS operations)) (VP (VBP allow) (PP (IN for) (NP (NP (DT a) (NN number)) (PP (IN of) (NP (JJ knit) (NNS tubes))))) (S (VP (TO to) (VP (VB be) (VP (VP (VBN centered)) (, ,) (VP (VBN placed) (PP (IN on) (NP (CD one) (DT another)))) (, ,) (CC and) (VP (ADVP (RB then)) (VBN cut))))))) (. .)))
Die-cutting operations were the most complex part of the production.
( ( Die-cutting operations ) ( ( were ( ( the ( ( most complex ) part ) ) ( of ( the production ) ) ) ) . ) )
(ROOT (S (NP (JJ Die-cutting) (NNS operations)) (VP (VBD were) (NP (NP (DT the) (ADJP (RBS most) (JJ complex)) (NN part)) (PP (IN of) (NP (DT the) (NN production))))) (. .)))