Muaj ntau lub bluestone slabs hauv kev ua lag luam, peb yuav tsum paub qhov txawv ntawm lawv qhov zoo thiab qhov tsis zoo thaum yuav khoom?
Peb xub paub qhov txawv los ntawm kev soj ntsuam qhov saum npoo ntawm lub pob zeb. Lub pob zeb zoo tsis muaj ntau cov xim mottled, muaj cov xim sib xws, thiab tsis muaj flickering lossis thickening. Txawm li cas los xij, pob zeb tsis zoo yuav muaj ntau yam tsis xws luag uas tsis tuaj yeem them tom qab ua tiav. Yog li ntawd, cov qauv thiab cov xim ntawm lub pob zeb nto yog qhov tseem ceeb rau kev ntsuas qhov zoo ntawm lub pob zeb; Yog tias kev ua haujlwm tsis zoo, cov khoom tiav yuav tshwm sim warped, dented, discolored, stained, ploj lawm npoo thiab fab, tawg, xim kab, pits, thiab lwm yam tshwm sim. Cov pob zeb zoo li no tsis tuaj yeem suav tias yog pob zeb zoo. Cov pob zeb zoo nkauj yuav tsum muaj qhov zoo nkauj thiab tsis muaj qhov tsis zoo, qhov chaw du, ci ntsa iab, thiab tsis muaj roughness thaum kov los ntawm tes.
Xaiv lub pob zeb zoo yog qhov tseem ceeb, thiab kev tuav lub pob zeb kuj tseem ceeb heev, yog li nws yog ib qho tseem ceeb uas yuav tsum tau ua txoj haujlwm zoo ntawm kev tu thiab tu pob zeb thaum siv.