Pob zeb ntuj tau muab faib ua slate thiab granite raws li lub cev thiab tshuaj muaj zog. Lychee nto yog tsim los ntawm rauj rau saum npoo ntawm lub pob zeb nrog rauj zoo li cov tawv nqaij lychee, yog li tsim qhov ntxhib nto xws li cov tawv nqaij lychee ntawm cov pob zeb. Nws yog qhov ntau dua ntawm cov duab puab lossis saum pob zeb. Pob zeb dag tau muab faib ua terrazzo raws li txheej txheem. Thiab pob zeb hluavtaws. Lub terrazzo yog forged los ntawm cov cement, qhob thiab lwm yam khoom siv; cov pob zeb hluavtaws yog ua los ntawm cov pob zeb pob zeb ntuj, thiab raug nias thiab txhuam nrog cov ntawv nplaum. Qhov thib ob tom kawg yog kev tsim khoom, yog li lub zog tsis siab npaum li tus nqi ntawm ntuj pob zeb. Pob zeb yog qhov muag khoom kawg ntawm cov khoom siv hmoov hmoov. Lub ntuj pob zeb tau muab faib ua ntxhib rau hauv granite, slate, sandstone, limestone, volcanic rock, thiab lwm yam. Tus nqi thiab kev zoo nkauj tsis qis dua li lub pob zeb ntuj. Tom qab kev txhim kho cov tswv yim tsim vaj tsev, pob zeb tau ntev lawm yog ib qho ntawm cov ntaub ntawv tseem ceeb rau kev tsim vaj tsev, dej dawb, txoj kev thiab choj.
Sijhawm Tshaj Tawm: Tsib Hlis -08-2021