Sambani, tsukani ndi kuumitsa (atatu-m'modzi), malizitsani ntchito yoyeretsa nthawi imodzi;Pansi yomalizidwayo ndi yoyera kwambiri, zinyalala zonse monga madzi akuda, dongo, mchenga ndi madontho amafuta zidzalowetsedwa mu thanki yamadzi akuda;imatha kuyeretsa pansi zosiyanasiyana monga epoxy resin, konkire ndi matailosi, etc. 350mm kuyeretsa m'lifupi kumawathandiza kuyeretsa njira yopapatiza.
