Ntau yam hauv kev ua PPH yeeb nkab fittings yog qhov tseem ceeb rau qhov zoo ntawm cov yeeb nkab fittings. Piv txwv li: cov khoom siv raw xaiv, qhov kub thiab txias, ntsia hlau ceev, compressed cua, txhuas ceev, txhuas ua kom txias, thiab lwm yam yuav cuam tshuam rau PPH yeeb nkab fittings.
