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Subsea
Noun
  intervention
Noun
  umbilicals
Noun
  are
Auxiliary
  also
Adverb
  used
Verb
  for
Adposition
  offshore
Adjective
  drilling
Noun
  or
Coordinating conjunction
  workover
Noun
  activities
Noun
.

Subsea intervention umbilicals are also used for offshore drilling or workover activities.

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