Laying out a production line required exact calculation of the number of workers required for a given step to keep single garments moving through the operation continuously'much as a car moves down an assembly line.
( ( ( Laying out ) ( a ( production line ) ) ) ( ( required ( ( exact calculation ) ( of ( ( the number ) ( of ( workers ( required ( for ( a ( given ( step ( to ( ( keep ( ( ( single garments ) ( moving ( through ( the operation ) ) ) ) ( continuously ( ` much ) ) ) ) ( as ( ( a car ) ( ( moves down ) ( an ( assembly line ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (S (VP (VBG Laying) (PRT (RP out)) (NP (DT a) (NN production) (NN line)))) (VP (VBD required) (NP (NP (JJ exact) (NN calculation)) (PP (IN of) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (NNS workers)) (VP (VBN required) (PP (IN for) (NP (DT a) (VBN given) (NN step) (S (VP (TO to) (VP (VB keep) (S (NP (NP (JJ single) (NNS garments)) (VP (VBG moving) (PP (IN through) (NP (DT the) (NN operation))))) (ADJP (RB continuously) (`` `) (JJ much))) (SBAR (IN as) (S (NP (DT a) (NN car)) (VP (VBZ moves) (PRT (RP down)) (NP (DT an) (NN assembly) (NN line))))))))))))))))) (. .)))
There were economies of scale related to workers on the production line.
( There ( ( were ( economies ( of ( scale ( related ( to ( workers ( on ( the ( production line ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD were) (NP (NP (NNS economies)) (PP (IN of) (NP (NP (NN scale)) (VP (VBN related) (PP (TO to) (NP (NP (NNS workers)) (PP (IN on) (NP (DT the) (NN production) (NN line)))))))))) (. .)))