D11mm yas ntxiv rau lub caij nplooj ntoos hlav hlau pom rau marble chaw txua txiag zeb npaj xa.
Nquag yas hlau yog siv rau thaiv txiav los yog thaiv squaring, tab sis D11mm yas ntxiv rau lub caij nplooj ntoos hlav hlau rau marble chaw txua txiag zeb yog nrov nyob rau hauv Barzil, thiab marble yog mos thiab yooj yim txiav, yog li lub neej ntev ntawm cov hlau no ntev heev.
Qee cov duab ntim hauv qab no:
Txhua yam lus nug lossis kev xav tau thov koj xav tiv tauj peb.
