• kọmpat imewe na mbelata akara ukwu
• mmanye jụrụ oyi/mmanu ka ọ bụrụ mmanụ nnyefe okirikiri okirikiri
• helical ziri ezi gia na aro mere 8Cr2Ni4WA ihe.
• Mechanical akara imewe (ọ mejupụtara pan mmiri na-ekpofu mmiri, mgbanaka mmanụ na-ekpofu mmanụ na labyrinth gland) iji chekwaa nkewa nke ịbịaru emulsion na mmanụ gia.