Nhazi nke efere ígwè (gụnyere nchara nchara):
1. Nhazi site na ọkpụrụkpụ: (1) efere dị warara (2) efere ọkara (3) efere siri ike (4) efere dị oke ibu
2. Nkewa dị ka usoro mmepụta: (1) ọkụ na-ekpo ọkụ na-ekpo ọkụ (2) oyi akwa ígwè
3. Nhazi site na njirimara elu: (1) mpempe akwụkwọ galvanized (ibé galvanized na-ekpo ọkụ na-ekpo ọkụ, mpempe akwụkwọ electro-galvanized) (2) mpempe akwụkwọ tin-plated
(3) efere igwe mejupụtara (4) agba agba agba
4. Nhazi site na iji: (1) Akwa nchara nchara (2) Igwe eji esi mmiri ọkụ (3) Ụgbọ mmiri na-ebu ígwè (4) Armor steel plate (5) Ụgbọ ala ígwè efere (6) Ngwongwo nchara (7) Ụdị ígwè ígwè (8) ) Efere igwe eletriki igwe (silicon steel sheet) (9) mmiri nchara (10) ọzọ
Anyị nwere ike imere gị ihe dị n'elu, ebe a nwere ụfọdụ ngwaahịa maka ntụaka gị.
Oge nzipu: Ọktoba 28-2019