Iyo mudziyo unowanzogadzirwa kubva kune yakakwirira-mhando zvinhu sePolyurethane foam kana vacuum-insured mapanera ekutsvaira
Kunyatsogadzirirwa masampulogical samples anofanirwa kuchengetwa nguva dzose, anotakurika kuchengetedza mitezo chidiki diki, inoshanda yemvura nitrogen nitrogen tangi.
