Mesh yachitsulo yokhala ndi perforated imakhala ndi ntchito zambiri.Kwa kupanga denga, osati kokhaamayamwa mawundiamachepetsa phokoso, komanso ali ndikapangidwe kokongola.Ndi chisankho chanu chabwino.

Pa nthawi yomweyo, perforated zitsulo mauna Angagwiritsidwenso ntchito kwa msewu waukulu, njanji, subway ndi zina zoyendera ma municipalities muchilengedwe phokoso chotchinga;

Kapena monga masitepe, khonde, tebulo, ndi mpando chitetezo chilengedwe chokongola kukongoletsa dzenje mbale;

Itha kugwiritsidwanso ntchito ngati zida zamakina zotchingira zotchingira, chivundikiro chowoneka bwino chaukonde, ziwiya zosapanga dzimbiri za khitchini za buluu, chivundikiro cha chakudya, komanso mashelufu am'misika, matebulo owonetsera zokongoletsera ndi zina zotero.