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An-choân (安全; safety) sī chi̍t chióng chōng-thài; siōng-kán-tan ê tēng-gī chiū sī bô gûi-hiám. Khah siông-sè ê tēng-gī sī siū-tio̍h pó-hō͘, bōe khì siū-tio̍h kok-chióng lūi-hêng ê kò͘-chiòng, húi-sún, chhò-gō͘, sū-kò͘, siong-hāi, ia̍h-sī kî-thaⁿ hū-biān hāu-èng ê éng-hióng.