Peb yuav muaj txoj cai zoo rau PB yeeb nkab fittings, tab sis nyob rau hauv tus txheej txheem ntawm kev tsim kho, qee qhov teeb meem yuav tsum tau them nyiaj rau. Hnub no peb yuav ua raws li lub khw tsim nyog kom to taub.
Thaum siv cov khoom, nws tsim nyog siv tsis qhib hluav taws, tshwj xeeb tshaj yog thaum cov yeeb nkab tsis rhuab. Thiab thaum kub yaj, sim tsis txhob ua rau cov yeeb nkab vuam yog nqa tawm hauv kev ntxhov siab, txhuam fais fab, yeeb nkab fittings tsuas siv tau ib zaug xwb, tsis tuaj yeem rov qab siv dua, thiab xa cov yeeb nkab yuav tsum yog tib lub khw, tsis txhob sib tov. Tsis tas li ntawd, nws yog txwv tsis pub tshem tawm lub hwj huam mov thaum lub lag luam, yog li ntawd kom tiv thaiv qhov kub ntawm ncav lub kub yaj yuav tsum tau. Thaum kawg, muaj ib qho taw qhia, yog tias nws nyob rau lub caij ntuj no yuav tsum tau siv lub caij ntuj no, qhov rooj thiab qhov rais, qhov chaw yuav tsum muaj cov khoom siv cua sov.
Thaum thauj khoom, thau khoom thiab thau khoom, thiab khaws cia cov hlua khib nyiab , nws tsis tuaj yeem txeem tau, muab pov tseg, los yog cuam tshuam. Nws yuav tsum tau saib xyuas nrog kev saib xyuas, thiab cov kav dej yuav tsum tsis txhob muab cia rau hauv cov cua qhib, thiaj li tiv thaiv tau ncaj qha tshav ntuj thiab cia kom deb ntawm cov cua sov.
