Pali maburashi osindikizira a mbali ziwiri mbali zonse za chimango cha chitseko, ndipo pansi pamakhala makatani a Pvc. Chitseko chikhoza kutsegulidwa ndi kutsekedwa mwamsanga, ndipo liwiro lotsegula likhoza kufika ku 0.2-1.2 m / s, lomwe liri pafupi nthawi 10 mofulumira kuposa zitseko zachitsulo zowonongeka, ndipo zimagwira ntchito yodzipatula mofulumira. , ndi kusinthana kwachangu, kutsekemera kwa kutentha, fumbi, tizilombo toyambitsa matenda, phokoso ndi zina zotetezera, ndiye chisankho choyamba chochepetsera mphamvu yogwiritsira ntchito mphamvu, kusunga fumbi lopanda fumbi, laukhondo komanso nthawi zonse, komanso kuonetsetsa kuti malo ogwirira ntchito ali oyera.