Amantongomane ayi-stainless steel hex asetshenziswa ngokuhlangana namabhawodi nezikulufi ukuxhuma nokubopha izingxenye. Phakathi kwazo, Uhlobo 1 lwamantongomane anezinhloso eziyisithupha asetshenziswa kakhulu. Amantongomane kaGrade C asetshenziswa emishinini, emishini noma ezakhiweni ezinendawo eqondile nezidingo zokunemba okuphansi. Amantongomane e-Class A ne-Class B asetshenziswa kumishini, okokusebenza noma izakhiwo ezinendawo ebushelelezi nezidingo zokunemba okuphezulu. Ubukhulu m bohlobo 2 lwamantongomane ayisithupha bukhulu kakhulu, obusetshenziswa kakhulu ezimeni lapho ukuhlangana nokuqaqa kuvame ukudingeka khona.