Khob Log
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Pob zeb diamond sib tsoo khob log
Sib tsoo txhua yam ntawm pob zeb, cib, thaiv thiab masonry, kom ceev thiab zoo nto ntxuav.Ceev ceev thiab lub neej ntev.
Machinery: Lub kaum sab xis grinder.Qhuav lossis ntub siv.