Yuav ua li cas txhawm rau txheeb xyuas iav?

Muaj peb hom tsom iav tsom iav siv tam sim no: organic iav, zoo tib yam quartz iav thiab sapphire siv lead ua iav. Quartz iav thiab kua iav siv iav yog qhov yooj yim rau kev tsis sib haum thiab tsis yooj yim rau qhov txawv, thiab muaj qhov sib txawv hauv qhov zoo thiab tus nqi ntawm ob. Sapphire siv lead ua iav yog ib zaug hu ua" Tsis txhob coj iav", tab sis tam sim no nws tau hloov mus rau" Tsis yooj yim coj iav" ;. Nws cov nqi yog txog kaum ob zaug ntawm qhov tseeb ntawm quartz iav. Yog li no, iav siv lead ua iav tsuas yog siv hauv cov qib siab zoo saib. Cov qauv yooj yim tuaj yeem siv kom paub qhov txawv quartz iav thiab sapphire siv lead ua iav uas tsis tas kuaj cov khoom. Tso ib tee dej rau ntawm cov iav tsom iav thiab muab lawv sawv ntsug. Cov dej nyob hauv tus qauv ntawm lub pob me thiab tsis tawg, nws yog sapphire siv lead ua iav. Ntawm qhov tsis sib xws, qhov twg cov dej ntws mus rau saum npoo, nws yog dog dig quartz iav.