Nkewa nke igwe rọba mmanụ akara na arọ ụlọ ọrụ?
N'ime ụlọ ọrụ na-ahụ maka mmanụ, ihe a na-ewu ígwè mmanụ na-agụnyekarị ihe ngwuputa mmanụ mmanụ, shọvelụ na ihe eji eme mmanụ ụgbọ njem, ihe na-ebuli mmanụ mmanụ, ụgbọ ala mmanụ ụgbọala, ihe mkpuchi mmanụ na-emepụta ihe na igwe mmanụ mmanụ, ihe mkpuchi mmanụ ihe igwe.
A na-eji akara mmanụ maka ígwè na ígwè prestressed mmanụ mmanụ, ihe eji achọ mma mmanụ ihe eji achọ mma, mmanụ ọkụ maka igwe na-egwupụta ihe, ngwá ọrụ pneumatic, mmanụ mmanụ maka igwe ụgbọ okporo ígwè, mmanụ maka ígwè ọrụ ihe owuwu, mmanụ mmanụ maka elevators na escalators, mmanụ pụrụ iche (ma ọ bụ escalators). ihe mkpuchi) maka igwe ihe owuwu, wdg.
Oge nzipu: Feb-17-2023