Cov ntaub so ntswg huv thiab cov ntaub so huv yog cov khoom siv huv huv rau cov poj niam, uas yuav tsum muaj peev xwm nqus tau zoo. Hauv cov khoom lag luam tam sim no "Sanitary Napkins (xws li Sanitary Pads)", tus nqi nqus dej yog qhov ntsuas zoo los ntsuas qhov nqus ntawm cov ntaub so ntswg. Qhov loj dua tus nqi nqus dej, qhov khoom muaj peev xwm nqus tau zoo dua. Yog li ntawd, tus nqi nqus dej kuj yog ib qho kev qhia tseem ceeb rau kev tswj qhov zoo ntawm cov ntaub so ntswg. Cov khoom siv dej nqus dej ntawm cov ntaub so ntswg feem ntau siv cov khoom siv polymer dej-absorbing resin (SAP luv luv). SAP yog cov khoom siv ua haujlwm zoo tshaj plaws polymer. Tus nqi ntawm SAP ntxiv ncaj qha cuam tshuam rau tus nqi nqus dej ntawm cov ntaub so ntswg. Kev ntsuas qhov nqus dej ntawm cov ntaub so ntswg tsis tuaj yeem tsuas yog saib xyuas qhov nqus ntawm cov khoom, tab sis kuj paub txog kev tswj hwm ntawm SAP ntxiv. Txhawm rau kom ntseeg tau cov khoom zoo, thaum lub sijhawm tsim khoom, tus nqi nqus dej feem ntau raug kuaj txhua 20 mus rau 30 feeb. Niaj hnub no peb yuav piav qhia txog cov kev sim tshwj xeeb raws li cov kev cai ntawm lub teb chaws tus qauv "Sanitary Napkins (xws li Sanitary Pads)".