Muindasitiri yekuvaka iri kushanda nekukurumidza nhasi, kushanda nesimba uye kuvimbika ndizvo zvinonyanya kukosha. Kingmax, tinotenda kuti seri kwemadziro ese akasimba, plaster yakatsetseka, uye mataira akasimba kune hwaro hwakavakirwa pairi ethers dzemhando yepamusoro dze cellulose—uye kuzvipira kusingazununguki kune kugona.
Tinokugamuchirai ku Fekitori yeKingmax HPMC, uko hunyanzvi, kururama, uye chinangwa zvinosangana kutsigira vavaki pasi rese.