Xov xwm

Pob zeb thaiv cov pwm yog cov consumables ntawm lub tshuab, yog li lawv yuav tsum tau tswj kom zoo kom txo cov pov tseg. Kev saib xyuas ntawm cov pwm no yog qhov yooj yim heev. Yog tias koj ua raws li cov qauv kev tu cov no, cov pwm yuav siv sijhawm ntev dua.

Cov pwm / pwm rau cov pob zeb ua yog ib qho ntawm qhov tseem ceeb kom ntseeg tau tias qhov haujlwm ua haujlwm ib txwm ntawm lub tshuab. Vim tias nws cov haujlwm nquag ua haujlwm, nws yuav muaj hnub nyoog tom qab ua haujlwm rau ib lub sijhawm. Tshwj xeeb, thaum lub pob zeb sib tshuam zeb yog hnav rau qee yam, nws tsis tuaj yeem muab xauv thaum ua tiav txoj kev saum npoo av, ua rau tsis ua tiav.

Curbstone pwm yog cov qauv qauv siv los tsim cov cement cement cement. Curbstones, lossis cov pob zeb ntug kev, feem ntau ua los ntawm granite lossis cement precast cov ntaub ntawv thiab siv los txhais cov ciam av deg.