Isu tine hunyanzvi mukugadzira mashizha esimbi ekugadzira mashizha, anoshandiswa zvakanyanya kutsemura chaiko kwezvinhu zvakaita sesimbi isina tsvina, foil yemhangura, uye aluminium foil. Yakagadzirwa necarbide, vacuum inopisa-yakagadziriswa, uye chaiyo-ivhu, ivo vanowana yakanakisa kupfeka kuramba uye chipping kuramba. Ivo vanoendesa yakatsetseka, burr-isina, uye kusagadzikana-yemahara kucheka, zvichiita kuti ive yakakodzera kune yakakwirira-kumhanya, yakakwirira-tension application. Ivo vanopa kugadzikana kwakasarudzika mukutsemura pepa rakatetepa uye kuenderera kuchekwa kwesimbi dzakapfava, zvinobudirira kuwedzera hupenyu hwemidziyo, kuvandudza goho, uye kuderedza mutengo wese wekushandisa.
