Njirimara
1. A na-etinye ihe mkpuchi ọkụ ọkụ na modul refractory fiber modul, nke na-edochi usoro brik refractory mbụ.
2. Na-anabata ngwá ọrụ nchịkwa okpomọkụ nke mbata, njikwa PID, njikwa nkwụsi ike ọkụ ọkụ na ≤ ± 5 ° C;