Aijirn's Septa inogona kusarudza kuti kuve nekupembera kana kuti kwete. Iyo pre-slit pateni yakakamurwa kuita imwe-yakaumbwa uye yakayambuka-yakagadzirwa. ScASTA ine pre-slit iri nani kubayiwa, kunyanya kune blunt otomatiki jekiseni. , Muchinjiko Star Pre-Slit Secting inogona kutungamira jekiseni jekiseni yekunyatso kupinda mumugwagwa, uye haazokonzere jekiseni jekiseni rekushomeka pane vial uye kukonzera via kuti vabvise.