Nco ntsoov khaws cov hniav kom ntse: Siv cov hniav ntse tuaj yeem txo qhov kev tiv thaiv thaum txiav, ua kom txiav smoother, thiab tseem txo qis kev raug mob tshwm sim los ntawm blunt hniav.
Tsis txhob quab yuam ntau dhau: Thaum siv riam siv hluav taws xob, tsis txhob siv zog ntau dhau los yog yuam txiav. Kev quab yuam ntau dhau tsis yog yooj yim ua rau cov hniav puas tsuaj, tab sis kuj tseem tuaj yeem ua rau cov hniav tawg sai sai los yog tawm, ua rau raug mob.
Txiav rau hauv cov kev taw qhia kom raug: Thaum txiav cov ntaub ntawv, ib txwm thawb cov hniav tawm ntawm koj lub cev. Qhov no tuaj yeem zam kev txiav koj tus kheej nrog cov hniav vim muaj kev poob qis thaum lub sijhawm txiav.
Ua tib zoo saib xyuas qhov chaw txiav: Thaum siv riam siv hluav taws xob, xyuas kom qhov chaw txiav muaj kev nyab xeeb thiab tsis muaj khib nyiab. Tsis txhob ua haujlwm ntawm qhov chaw tsis ruaj khov lossis zawv zawg kom tsis txhob muaj kev sib tsoo lossis pob.
Tsis txhob taw tes rau cov neeg: Txawm tias thaum twg los yog qhov twg, cov hniav ntawm rab riam yuav tsum tsis txhob taw rau koj tus kheej lossis lwm tus. Txawm hais tias cov hniav yog hnav los yog puas, nws yuav tsum tau ua kom zoo kom tsis txhob raug mob.
Ceev faj thaum khaws cia: Thaum tsis siv riam phom siv, nws yuav tsum muab khaws cia rau hauv qhov chaw nyab xeeb kom deb ntawm menyuam yaus thiab tsiaj. Tsis tas li ntawd, xyuas kom cov hniav tiv thaiv sheath yog reinstalled los tiv thaiv cov hniav kom tsis txhob raug thiab ua rau raug mob.