75m/min umshini owomile onesiteshi sokubhoboza esingu-4
75m/min umshini owomile onesiteshi sokubhoboza esingu-4, isivinini esikhulu, ukusebenza kahle okuphezulu, umphumela omuhle wokwakheka, ukuqondisa okuphezulu, ukuhlangabezana ne-Eourpean ne-American standard.