Kwa mafakitale akuluakulu opangira magetsi otentha, madoko oyendetsa malasha, migodi ya malasha, migodi, zipangizo zomangira ndi malo ena omwe amafunikira kuchotsedwa kwachitsulo chapamwamba, ndipo amatha kugwira ntchito bwino m'madera ovuta monga fumbi, chinyezi, ndi corrosion yoopsa yamchere. njira yozizira yamagetsi amagetsi padziko lapansi.