Iskani niz je bil najden v PREVODIH:
unverbindlich
(pridevnik)
sl neobvezen
en optional
fr facultatif,
complémentaire
hr neobvezan
wahlweise
en alternative, alternatively, electively, optional, select optional, selective
Zusatz
en accessory, add on, add-on, added facility, added, addendum, additament, addition agent, addition, additional specification, additional, additive, adjunct, admixed, admixture, alloy content, amendment, amplification, appendix, attachment, austenite stabilizer, auxiliary, booster, codicil, compounding agent, corollary, endorsement, extension, extra charge, extra feature, feature, filler, graphitizer, make up feed, make up, optional, rider, spike, subsidiary, suffix, supplement appendix, supplement, supplementary