Poyerekeza ndi zomangamanga za konkriti zachikhalidwe, chitsulo chimapereka mphamvu yoposa kulemera, zomwe zimapangitsa kuti ntchitoyo ithe mwachangu. Zigawo zimakonzedwa kale m'malo olamulidwa ndi fakitale, kuonetsetsa kuti zimakhala zolondola kwambiri komanso zabwino kwambiri zisanapangidwe pamalopo ngati zida. Njirayi imatha kuchepetsa nthawi yomanga ndi 50% ndikuchepetsa ndalama zogwirira ntchito kwambiri.
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Nthawi yotumizira: Okutobala-07-2025