(1) Matailosi agalasi amagwiritsidwa ntchito pamadenga okhala ndi malo otsetsereka a 20 ~ 80 degrees.

(2) Kumanga maziko simenti matope kusanjikiza wosanjikiza

Zofunikira zachitetezo pakumanga matayala a asphalt

(1) Ogwira ntchito yomanga akulowa pamalo omanga ayenera kuvala zipewa zotetezera.

(2) Ndizoletsedwa kugwira ntchito mutamwa mowa, ndipo ogwira ntchito omwe ali ndi matenda oopsa, kuchepa kwa magazi m'thupi ndi matenda ena amaletsedwa kugwira ntchito.

(3) Panthawi yomanga malo okwera, padzakhala malo otetezeka komanso odalirika, ndipo ogwira ntchito yomangamanga ayenera kumangirira ndi kupachika lamba wa chitetezo choyamba.

(4) Ogwira ntchito yomanga denga lotsetsereka ayenera kuvala nsapato zofewa, ndipo saloledwa kuvala nsapato zachikopa ndi nsapato zolimba.

(5) Gwiritsani ntchito mosamalitsa machitidwe osiyanasiyana oyendetsera chitetezo ndi miyeso pamalo omanga.

(6) Ntchito yomangayi iyenera kuchitidwa motsatira njira zopangira chitetezo pamalo omanga.

(7) Mascaffolds, maukonde oteteza ndi zida zina ziyenera kuperekedwa.