Ahụmahụ afọ 20 n'ubi a
Aha ngwaahịa: Nrụgide Na-adịghị mma Pneumatic Na-ebufe Rotary Airlock Valve
Ojiji: Sistemụ nnyefe pneumatic nrụgide na-adịghị mma
Ihe: Enwere ike ịhazi ya (igwe anaghị agba nchara ma ọ bụ nkedo ígwè)