Lub tsheb nrau av yog lub tshuab nqus tsev muaj peev xwm khawb, thauj thiab thauj cov pob zeb thiab av. Nws yog dav siv nyob rau hauv qhib quarries. Piv txwv li, nws yog siv rau kev teeb tsa ntawm earthen cov khib nyiab, txhawb nqa cov chaw ua haujlwm ntxhia pob zeb thiab lwm yam. Piv txwv: Qhib thiab tsuas ntawm cov xuab zeb tso, thawb thiab hla kev ntawm cov kauj ruam hauv ntiaj teb hauv kev tsim khoom ntawm cov khoom lag luam, thiab lwm yam.
Cov kev paub txog kev sib cav sib tsoo
May 08, 2024
Tso lus