Okpomọkụ akara static ± 1 Celsius C, ike ± 3 Celsius C.
Preheater na-anabata usoro njigide iji mee ka njikwa ọkwa mmiri kwụsie ike na nri ziri ezi (patent: ZL201420137471.2).
Igwe na-ekpo ọkụ na-ekpo ọkụ nwere obere ume ike yana mmetụta preheating dị mma.