noi huahana:
Hoʻohana ʻia i loko o ka wai anuanu ʻoihana a me ka wai kīwila, ka wai wela, ka hoʻomehana ʻana, nā ʻōnaehana pipeline wela, nā ʻōnaehana pale ahi a me nā paipu kikowaena kikowaena, etc.
Hoʻokō maʻamau:
| GB/T 19228 YB/T 4204 |
| GB/T 12771 QB/T 2467 |
| JIS G3448 |
| EN 10312-3S |
