Cov Khoom Siv Lub Cev
1. Xim: tooj dag hlau yog daj, thaum liab tooj liab tooj liab yog sawv hauv cov xim.
2. Qwj: Qhov ntom ntom nti ntawm tooj dag hlau yog me ntsis ntau dua li tias ntawm lub tooj liab liab liab, tab sis qhov sib txawv ntawm ob qho tsis tseem ceeb.
3. Hardness: tooj dag hlau yog qhov nyuaj, thaum lub sij hawm liab tooj liab hlau yog qhov muag.
4. Hluav taws xob conductivity: hluav taws xob conductivity ntawm liab tooj liab hlau yog zoo dua rau tias ntawm tooj dag hlau vim tias nws cov kev coj dawb huv.
