Ua ntej, kev xaiv qhov chaw thiab kev tsim kho vaj tse yog qhov tseem ceeb heev. Feem ntau, ib lub tshav pob football yuav tsum tau tsim nyob rau hauv ib cheeb tsam uas muaj hnub ci ntau, cua ntshiab, av siab, thiab dej ntws zoo. Lub hauv paus tuaj yeem ua los ntawm cov cement, asphalt, lossis cov av hmoov cement-pob zeb. Qhov saum npoo yuav tsum sib npaug, khov kho, tiaj tus, thiab tsis muaj kab nrib pleb, nrog cov kab sib txuas du thiab tsis tiv taus dej.
Qhov thib ob, kev xaiv cov nyom dag yog qhov tseem ceeb tshaj plaws ntawm kev ua si football. Thaum xaiv cov nyom dag, xav txog lub hom, kev ua tau zoo, thiab cov lus qhia txog kev ua si ntawm cov nyom, thiab xaiv lub chaw tsim khoom uas muaj npe nrov. Muaj ob hom nyom siv rau hauv kev ua si football: nyom ntuj thiab nyom dag. Tam sim no, hom nrov tshaj plaws yog cov nyom dag uas tsis muaj xuab zeb, uas tsis tas yuav siv xuab zeb quartz lossis cov roj hmab granules. Nws pheej yig dua, muaj kev nyab xeeb dua, zoo dua rau ib puag ncig, thiab ruaj khov dua.
Qhov thib peb, kev tsim kho lub tshav pob football uas muaj nyom dag. Qhov zoo ntawm cov nyom dag uas tau muab tso ncaj qha cuam tshuam rau qhov zoo nkauj ntawm thaj chaw, kev nplij siab, thiab kev ruaj khov. Ua ntej yuav tsum tau teeb tsa cov nyom dag, yuav tsum tau kuaj xyuas qhov tiaj tiaj, qhov nqes hav, thiab qhov zoo li ntawm thaj chaw. Yog tias qhov tiaj tiaj thiab qhov nqes hav tsis ua raws li cov qauv no, yuav tsum tau kho dua tshiab lub hauv paus. Kev tsim kho tsuas yog pib tau tom qab ua tiav cov qauv no. Txoj haujlwm no yuav tsum tau ua los ntawm pab pawg tsim kho uas muaj kev tsim nyog thiab kev paub dhau los, thiab muaj cov cuab yeej ua tiav.
Kev Hloov Pauv Hloov Cov Nyom Dag
Yog tias cov nyom dag tau teeb tsa rau ob lossis peb xyoos lawm, puas yuav tsum tau hloov nws? Cov txheej txheem twg los txiav txim siab qhov zoo ntawm thaj chaw nyom dag? Cov nyom dag uas tau saib xyuas zoo tuaj yeem kav ntev li 8-10 xyoo lossis ntev dua, tab sis seb nws puas xav tau hloov pauv nyob ntawm seb cov nyom puas zoo. Nov yog ob peb yam qhia txog kev txiav txim siab seb cov nyom dag puas xav tau hloov:
Tsos: Saib seb qhov chaw ntawm cov nyom puas pom kev puas tsuaj, hnav, lossis hloov xim. Yog tias cov fibers ntawm cov nyom daj, deformed, hnav hnyav heev, lossis muaj thaj chaw loj ntawm kev sib cais, kev hloov pauv yuav tsum tau ua. Kev ywj pheej thiab Kev nplij siab: Xyuas seb cov nyom puas xis nyob rau kev taug kev thiab seb nws puas tseem muaj kev ywj pheej txaus. Yog tias nws xav tias tawv, tsis xis nyob, lossis tau poob nws qhov ywj pheej, kev hloov pauv yuav tsum tau ua. Kev Hloov Kev Xav Tau Siv: Yog tias cov nyom dag qub tsis ua tau raws li qhov xav tau tam sim no, xws li kev hloov pauv hauv kev siv qhov chaw lossis kev ua haujlwm ntawm cov nyom tsis haum rau qhov xav tau tam sim no, kev hloov pauv yuav tsum tau ua. Kev coj tag nrho cov yam saum toj no los xav txog, yog tias cov nyom dag muaj teeb meem loj nrog kev zoo nkauj, kev ua tau zoo, lossis kev nyab xeeb, lossis yog tias nws tsis ua tau raws li qhov xav tau tam sim no, kev hloov pauv yuav tsum tau ua. Sab laj nrog tus kws tshaj lij cov nyom dag lossis lub tuam txhab teeb tsa thiab ua raws li lawv cov lus qhia thiab kev ntsuam xyuas.
Lub sijhawm tshaj tawm: Lub Kaum Hli-10-2025