Lub hau taub hau yog qhov tseem ceeb tshaj plaws siv rau kev tawm hauj lwm. Thaum muab pov tseg, cov hniav siv los txiav cov tawv nqaij thiab cov leeg, qhov ntxeev yog siv los ntxuav cov hlab ntsha thiab cov paj hlwb, thiab tus tes siv rau qhov sib cais sib cais. Nyob ntawm seb qhov loj me thiab qhov chaw ntawm lub qhov muag yog, qhov tso dag ntawm lub pob txha tuav tau muab faib rau hauv cov ntiv tes (tseem hu ua duqin los yog hneev nti), tuav (lossis nkaum-thiab-nrhiav), tuav khawm thiab rov qab tuav (khawm) tawm sab nraub av tuav). Tam sim no lo lus nug yog, yog lub hau tsis siv tshuaj kho khib nyiab?
Kev raug mob pov tseg yog hais txog qhov ntsuas kab mob khoob khaus uas ua tau rau lossis ua rau tib neeg lub cev. Xws li: koob tshuaj kho kab mob, koob thev ntim, rab tawv nqaij hau, hlab hlwb, tho pob txha, phais phais, lwm yam
Nyob rau hauv xyoo tas los no, tsoom fwv ntawm txhua theem, muaj feem xyuam cov koom haum kho mob kev lag luam thiab cov koog tsev neeg muaj feem xyuam rau kev kho mob pov tseg thiab tau ua ntau txoj haujlwm rau nws. Txawm li cas los xij, vim muaj ntau yam kev kho mob, feem ntau ntawm cov tsev kho mob kho rau kev kho mob pov tseg tsis txaus, tab sis qee qhov cuab yeej siv hlawv cov khoom siv, tiam sis vim yog cov khoom siv tsis zoo, tsis zoo tswj thiab cov neeg ua haujlwm tswj xyuas, tsis paub lossis qhov chaw tsis tsim nyog thiab yog li ntawd, ua rau kev raug mob ntawm cov khib nyiab pov tseg tsis tau ua rau yam xav tau, thiab tsim muaj qee yam qaug; Qee cov neeg yuav muab cov khoom pov tseg thiab thauj mus rau lub nroog pob zeb rau qhov chaw tso quav. Dab tsi ntau, qee cov neeg txawm tias khib nyiab, sau rau, muab pov tseg los yog muab pov tseg cov tshuaj pov tseg, ua kom muaj kuab paug rau thaj chaw thiab ua kom muaj kev puas tsuaj rau tib neeg lub cev thiab lub paj hlwb. Hauv qee thaj chaw, vim muaj kev pov tseg ntawm kev pov tseg kho mob, qhov chaw tau raug ua kom tsis zoo.