Synonyms|3Antonyms|0|Broader|1Narrower|0Related|4
2
machine
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APASmart Define. (2013). tunnelling machine thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/tunnelling_machine/thesaurus/broader
ChicagoSmart Define. 2013. "tunnelling machine thesaurus" https://smartdefine.org/tunnelling_machine/thesaurus/broader (accessed September 22, 2026).
HarvardSmart Define 2013, tunnelling machine thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/tunnelling_machine/thesaurus/broader>.
MLASmart Define. "tunnelling machine thesaurus" 18 May 2013. Web. 22 September 2026. <https://smartdefine.org/tunnelling_machine/thesaurus/broader>