Cov nplaum thaub qab yog los ntawm daim ntawv ntawm ib sab nplaum sib txuas rau sab nraub qaum ntawm cov khoom, thiab cov yas hluav taws xob lossis cov khoom siv kho vajtse kom ua tiav cov txiaj ntsig ua haujlwm.

Cov nplaum nplaum rau ntawm cov khoom silicone feem ntau tsis raug saib xyuas tab sis nws yog ib qho tseem ceeb uas tuaj yeem pab sib dhos, feem ntau txo cov nqi vim tias muaj kev ua haujlwm zoo dua.