A na-ekewa akụrụngwa na-egbochi mgbawa ụzọ abụọ nke mbụ:
Akụrụngwa emebere maka ojiji n'ebe a na-egwupụta coal n'okpuru ala.
Akụrụngwa echere maka ojiji na gburugburu gas na-agbawa agbawa na-abụghị ebe a na-egwupụta kol n'okpuru ala.
N'ime udi nke abụọ, A na-ekewa klaasị II akụrụngwa na-egbochi mgbawa dabere n'ụdị gburugburu gas ọ nwere ike ịrụ ọrụ na ya, ya bụ IIA, IIB, na IIC. Ogo IIC na-anọchi anya ọkwa nchekwa kachasị elu, na-egosi na akụrụngwa akara IIC dabara adaba maka ojiji na IIA, IIB, na IIC gas otu gburugburu.
Nhazi okpomọkụ:
T1 na-egosi oke elu okpomọkụ okpomọkụ nke 450 ° C.
T2 na-egosi oke okpomọkụ dị n'elu 300 Celsius.
T3 na-anọchi anya okpomọkụ kachasị elu nke 200 ° C.
T4 na-egosi oke okpomọkụ dị elu nke 135°C.
T5 na-egosi oke okpomọkụ dị n'elu 100 Celsius.
T6, ọkwa nchekwa kachasị elu, na-egosi oke okpomọkụ dị n'elu 85 Celsius.
Usoro nhazi ọkwa a na-achọpụta na akụrụngwa eji na gburugburu ebe dị ize ndụ na-emezu ụkpụrụ nchekwa kwesịrị ekwesị maka ọnọdụ ndị dị ugbu a..