Tuam Tshoj cov kua ntxhua khaub ncaws ua lag luam tau nthuav dav ntawm qhov nruab nrab txhua xyoo ntawm 27.2%, ua tiav qhov kev loj hlob ntawm ntau dua 100% hauv peb xyoos xwb. Nyob rau hauv sib piv, lub khw ntxhua khaub ncaws hmoov yog loj hlob ntawm ib tug tsuas yog 2.2% ib xyoos twg.
Kev muag khoom ntawm cov tshuaj ntxhua khaub ncaws hauv tsev yog kwv yees li 19% ntawm tag nrho cov ntxhua khaub ncaws ntxhua khaub ncaws ua lag luam los ntawm 2010, nce mus rau ntau dua 30% tom qab 2015. Hauv Tebchaws Meskas, txawm li cas los xij, cov tshuaj ntxhua khaub ncaws ua kua tau dhau los ntawm cov ntxhua khaub ncaws hmoov hauv khw muag khoom- thov tshaj li 80% ntawm cov hmoov txhuv nplej siab hauv kev lag luam thiab cov khoom lag luam tsis zoo nyob ze { yav tom ntej.
Lub formulation ntawm cov kua ntxhua khaub ncaws yog maj maj maj dua li cov ntxhua khaub ncaws hmoov; tshwj xeeb tshaj yog, nws yog me me ntawm tes thiab tawm tsawg dua residue ntawm cov khaub ncaws, ua rau nws nyiam ntawm cov neeg ua haujlwm hauv tsev. Cov hmoov ntxhua khaub ncaws, ntawm qhov tod tes, yog abrasive heev, thiab siv ntev yuav ua rau daim tawv nqaij puas.
Ntau lub khw muag khoom loj tau nthuav dav lawv qhov chaw tso saib rau cov kua ntxhua khaub ncaws, thiab kev ua lag luam tam sim no muaj ntau tshaj li kaum ob hom sib txawv. Cov khw muag khoom tau lees paub tias cov tshuaj ntxhua khaub ncaws ua kua ua kua-uas cov khoom lag luam tseem nce xyoo tom qab xyoo- yog nyob rau hauv txoj kev los hloov cov hmoov ntxhua khaub ncaws kom tsis tu ncua - ib yam nkaus thiab - yav tom ntej.
Cov ntawv ceeb toom tsis ntev los no ntawm kev lag luam ntxhua khaub ncaws qhia tias nyob rau hauv cov teb chaws xws li Fabkis, UK, Lub teb chaws Yelemees, thiab Asmeskas, cov khoom siv tshuaj ntxhua khaub ncaws muaj ntau dua 96% ntawm kev ua lag luam. Hauv Suav teb, txawm li cas los xij, qhov sib koom ntawm cov tshuaj ntxuav tes uas muaj kuab paug sawv ntawm tsuas yog 3% - qhov tsis sib xws.
Raws li cov teeb meem cuam tshuam nrog loj - hom fwj ntawm cov qauv kua tshuaj ntxuav tes ua kom pom tseeb, cov neeg siv khoom nyiam tau hloov mus rau cov qauv niaj hnub, thev naus laus zis siab heev. Txawm li cas los xij, tus nqi siab tam sim no ua raws li kev txwv ntawm kev loj hlob - khaws cov khoom lag luam tam sim no qis dua 4%- thiab qhia tias tseem yuav tsum muaj lub sijhawm ua lag luam cog qoob loo. Los ntawm lub sijhawm ntev - qhov kev xav, cov tshuaj ntxhua khaub ncaws ua kua uas muaj zog sawv cev rau cov qauv tseem ceeb hauv kev hloov pauv ntawm kev lag luam ntxhua khaub ncaws.
