N̂g-tâng

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用黃銅製作的 投仔

黃銅 (N̂g-tâng) (黃銅; 英文 (Eng-bûn): brass) () (tâng) (hām)亞鉛 (a-iân) (ê)黃色 (n̂g-sek)合金 (ha̍p-kim) (Tâng)含量 (hâm-liōng)62% (chì)68% (ê)黃銅,伊的 (i-ê)熔點 (iông-tiám)分部 (hun-pō͘) ()934°C至967°C左右 (chó-iū)。黃銅 (i)本身 (pún-sin)機械 (ki-hâi) (kap)耐磨 (nāi-mô͘)性質 (sèng-chit) (lóng) (chiâⁿ) ()定定 (tiāⁿ-tiāⁿ)提來 (the̍h-lâi)當做 (tòng-chò)製作 (chè-chok)精密 (cheng-bi̍t)儀器 (gî-khì) (chûn)零件 (lêng-kiāⁿ)猶有 (iáu-ū) (chhèng) (phàu)銃子殼 (chhèng-chí-khak)炮彈 (phàu-tôaⁿ)原料 (goân-liāu)。亞鉛含量無仝 (bô-kāng)的黃銅 (ē)無仝 (sek); 亞鉛含量18% 至20% 个黃銅呈現 (têng-hiān)紅黃色 (âng-n̂g-sek) (ah)20% 至30% 个黃銅會呈現棕黃色 (chang-n̂g-sek)另外 (Lēng-gōa),黃銅khiak起來 (khí-lâi)聲音 (siaⁿ-im) (chin)特別 (te̍k-pia̍t)所以 (só͘-í)東方 (tang-hong) () (poa̍h),佮 (lêng)濟濟 (chē-chē)樂器 (ga̍k-khì),猶有西方 (se-hong)銅管 (tâng-koán)樂器攏是 (iōng)黃銅 (lâi)製作的 (chè-chok--ê)