Txuas ntxiv txhim kho, kom muaj qee yam kev daws teeb meem sab saum toj zoo hauv kab nrog kev ua lag luam thiab cov qauv yuav. Peb lub tuam tsev muaj kev pab ceeb toom tau ua tau zoo rau tooj liab (II) Chloride hydle puratronic (r) 98% (ua hlau),Dihydrate reagent (ACS),Tooj liab (II) carbonate fydroxide (2: 1: 2),Tooj liab (II) carbonate theem ntsuab hmoov,Cupricchloride Dihydrate siv lead ua leagent acsCov. Peb muaj tam sim no muaj plaub yam kev daws teeb meem. Peb cov khoom lag luam tau muag feem ntau tsis tsuas yog thaum Suav lag luam, tab sis kuj tau txais tos txais kev lag luam thoob ntiaj teb. Cov khoom yuav muab rau thoob plaws ntiaj teb, xws li Tebchaws Europe, Mexico, Johor, Johor. "Ua rau cov poj niam nyiam dua" yog peb lub tswv yim muag. "Ua cov neeg siv khoom ntseeg thiab nyiam cov khoom lag luam uas zoo nkauj" yog lub hom phiaj ntawm peb lub tuam txhab. Peb tau nruj nrog txhua feem ntawm peb txoj haujlwm. Peb lub ntsiab lus zoo siab txais tos cov phooj ywg kom sib koom tes thiab pib koom tes. Peb vam tias yuav koom tes nrog cov phooj ywg hauv ntau hom kev lag luam los tsim lub neej yav tom ntej ci ntsa iab.
Tso koj cov lus