1. Tom qab paub tseeb tias lub tshuab tua kab mob tau siv zog lawm, tawm hauv chav tua kab mob, kaw lub qhov rooj, nias tus yuam sij ntawm lub chaw taws teeb tswj hwm hla phab ntsa, thiab nias lub pob lej sib xws los xaiv lub sijhawm tua kab mob ntawm 15 feeb, 30 feeb lossis 60 feeb. Tom qab xaiv, lub teeb qhia txog qhov sib piv ntawm tus yuam sij ntawm lub cev teeb ib txwm qhib, thiab lub suab ntawm cov suab ntws. Tom qab 30 vib nas this, lub suab beep nres lub teeb tua kab mob thiab pib ua haujlwm.

2. Yog tias koj xav tau ncua kev tua kab mob ib ntus, koj tuaj yeem siv lub qhov hloov ntawm chaw taws teeb tswj.

3. Tom qab ua tiav kev tua kab mob rau lub sijhawm xaiv, lub teeb tua kab mob yuav tua thiab rov qab mus rau
lub xeev kaw.

4. Yog tias nws yog lub teeb tua kab mob nrog ozone, nws yuav tsum tau ua pa thiab tsw ntxhiab rau ntau tshaj 40 feeb tom qab tua kab mob kom nkag mus
chav tua kab mob.