txias yob ribbed hlau ua tshuab yog ib hom tshuab siv rau dov coil hlau los ntawm txoj kab uas hla loj mus rau me me txoj kab uas hla, tawm tso tau ribbed
hom lossis hom round. Input txoj kab uas hla tuaj yeem ua tshwj xeeb raws li koj cov khoom siv hauv zos.
