de ahí

hence, so, thus

las

• Article

  the

• Pron
• Noun

telecomunicaciones

plural of telecomunicación

se

• Pron

  1. third person (also used for usted and ustedes) reflexive direct or indirect object oneself, himself, herself, itself, yourself; each other; one another
  2. used to convey the meaning of the English passive voice in the third person and with usted and ustedes

• Verb

volvieron

third-person plural preterite indicative of volver

su

1. Apocopic form of suyo his, her, its, one's, their, your (formal)
2. Apocopic form of suyo his, her, its, one's, their, your (formal)
3. Apocopic form of suyo (“your”)

especialidad

speciality

ahí

1. there: used to designate a place near the listener
2. that (in certain phrases)