2 collocations for parallelizing

Immediately the forward ends of the fibres are nipped between the quickly-moving drawing rollers, the fibres affected slide on those which have not yet reached the drawing rollers, and, incidentally, help to parallelize the fibres.

what permutations and combinations of commas, what elisions and additions of letters, what copious annotations on a word, an accent, or a stop, parallelizing a passage of Plato with one of Anacreon, one of Xenophon with one of Lycophron, or referring the juvenile reader to a manuscript in the Vatican,what inexplicable explanations would it anathematize!

2 collocations for  parallelizing