Nkawm khau thiab khau khiab yog qhov ua rau qias neeg; khaws cia rau hauv qhov qhib -style khau txee (tsis muaj qhov rooj) ua rau lawv muaj plua plav thiab cluttered, thiab lawv tuaj yeem cuam tshuam rau hauv pem teb thaum tu, ua rau cov khoom no nyuaj rau kev tswj xyuas. Hauv qhov sib piv, cov khau khau nrog lub qhov rooj kaw cov khau, tiv thaiv lawv ntawm plua plav thiab hnub ci thaum khaws lawv cov mob zoo dua.
Tsis tas li ntawd, cov khau khau nrog lub qhov rooj tso cai rau kev sib koom ua ke, muab faib ua ke uas khaws cov khau khiab kom huv si thiab ua kom rov qab khau yooj yim. Qhib cov txee, ntawm qhov tod tes, yuav tsum tau khau kom zoo nkauj hauv cov khub, uas nyiam siv ntau qhov chaw.
Yog tias sab hauv style thiab kev zoo nkauj yog qhov tseem ceeb, qhib khau khau yog qhov kev xaiv zoo. Lawv tso cov khau qhib, ua rau nws yooj yim rau kev sib koom tes nrog lwm cov rooj tog zaum thaum ntxiv kev muaj tswv yim thiab pom qhov pom kev kov rau hauv chav.
Cov khau khau nrog lub qhov rooj, lub sijhawm no, feem ntau muaj cov qauv yooj yim, cov tswv yim tsim uas ua haujlwm tseem ceeb.