Pa phunziroli ndi ana, adapanga mtengo wochokera ku mikanda, mbiya idakutidwa ndi pulasitala, madzi, madzi - ku kusasinthika kwa kirimu wowawasa. Ana adakwanitsabe zomwe mukufuna, zomwe zimakhudzidwa kwambiri ndi gypsum iyi yomwe sakufuna zopitilira 10% ya osakaniza pa misala yawo. Gypsum imazizira mwachangu, motero kunali kofunikira kuti mupange zotsalazo za zotsalira. Botolo lidatembenuka, lidauma ndi pulasitala, mu pulasitala watsopano likhala likulu ndi zokongoletsa - mchere, choko, koma champhamvu kwambiri.
Anavala utoto wamadzi wamba mu buluu, wofiirira, utoto wa nyanja, ndiye mchere, michere ndi mayadi anali omatira kale pa PVA, utoto wavala wasiliva. -
Kapangidwe kake kunali kosangalatsa kwambiri.
Mwinanso, ikhale yofunikanso kukonzanso gawo lakumwamba, kenako kuchita zodabwitsazi mwanjira ina sikunali kokwanira.