Thov Teflon daim kab xev thaum nruab Valve

Txhawm rau kom ntseeg tau tias lub foob foob, qhwv Teflon daim kab xev nyob ib ncig ntawm cov xov ntawm cov yeeb nkab uas lub valve yuav raug ntsia. Siv daim kab xev nyob rau hauv ib tug clockwise kev taw qhia kom phim cov kev taw qhia nyob rau hauv uas lub valve yuav screwed rau. Teflon daim kab xev pab kaw cov xov thiab tiv thaiv dej los ntawm kev tawm.