Lub luag haujlwm ntawm lub zog fittings:
Hauv cov hluav taws xob sab saum toj thiab cov khoom siv fais fab faib tawm, cov fittings fais fab yog siv los txhawb, txhim kho thiab txuas cov kab hluav taws xob thiab cov nplaim hluav taws xob ntawm cov nplais hluav taws xob los tsim cov hlua, thiab tseem tiv thaiv cov neeg tswj xyuas thiab cov qhov txuas; uas ua si lub luag haujlwm ntawm kev xa cov khoom siv kho tshuab, thauj khoom siv hluav taws xob thiab qee qhov kev tiv thaiv ntawm cov hlau txuas; Feem ntau ntawm cov fittings fais fab yuav tsum tau ris lub zog loj nyob rau hauv kev ua haujlwm, thiab qee qhov kuj yuav tsum ua kom muaj kev sib cuag hluav taws xob zoo, uas cuam tshuam txog kev nyab xeeb ntawm xaim lossis pej thuam.
