Main tšobotsi:
Matla a phahameng a motlakase, coefficient e tlase ea mocheso, bophelo bo bolelele, mojaro o phahameng le khanyetso e ntle ea oxidation, tikoloho e phahameng ea mocheso ho feta likhoele tsa celik.
Likopo:
Lisebelisoa tse sa hlahisoeng bakeng sa tlhahiso ea lisebelisoa tsa ho qeta moea tse hloekisang khase (GPF), li-filter tse phahameng tsa mocheso, li-burner, jj.