Visiongain, lub tuam txhab London-based ua lag luam pab tswv yim pabcuam cov ntaub ntawv, tau tshaj tawm 231 nplooj ntawv qhia txog" Kev Tshaj Tawm Kev Tsim Kho rau Cov Khoom Siv thiab Khoom Siv hauv Chaw Kho Kom Zoo Nkauj Ntim Chaw Lag Luam 2016-2026" ;. Daim ntawv tshaj tawm tau hais tias kev lag luam thoob ntiaj teb kev ntim khoom lag luam yuav tsum ncav cuag $ 32. 4 nphom xyoo no. Raws li ob daim ntawv tseem ceeb ntawm lub raj mis roj ntim, qhov kev txhim kho yav tom ntej yas thiab ntim iav yog dab tsi?
Taw qhia cov khoom siv tshuaj pleev ib ce ua. Feem ntau hais lus, qhov kev ntxhib los mos ntawm cov tshuaj pleev ib ce tau muab faib ua cov khoom ntxig (hmoov), kua thiab emulsion tshuaj pleev ib ce, thiab pleev ua kom zoo nkauj. Daim ntawv no ua rau lub raj mis ntim ntau dua siv dav hauv cov khoom kom zoo nkauj. Tib lub sijhawm, cov tshuaj pleev ib ce nws tus kheej tsis muaj qhov txawv txav, nws yuav tsum ua kom pom nws tus yam ntxwv los ntawm kev tsim tshwj xeeb thiab tshwj xeeb ntim khoom.
