Iji ngwaahịa: Ngwa nnwale mmiri ozuzo a bụ akụrụngwa na-abụghị ọkọlọtọ.A na-eji ụlọ nyocha mmiri ozuzo artificial maka ọkụ dị n'èzí na ngwaọrụ mgbaàmà yana nchebe ụlọ ọkụ ụgbọala.Ọ bụ ngwa ule dị mkpa na mpaghara ikuku, ụgbọ ala na ọgba tum tum, injinịa eletriki na ngwa elektrọn, ngwa ụlọ, nyocha sayensị na ihe ndị ọzọ.

Oke ngwa: Ngwaahịa a zuru ezu na-ezute GB 2423.38-90 “Iwu Nlereanya Gburugburu Ebe Obibi maka Nnwale Eletriki na Eletrọnịkị R: Ụzọ Ule Mmiri”, GB/T10485-2007, dabere na nchekwa mkpuchi ọkụ eletrik dị ala IPX3…IPX4 … larịị GB/T4942.2 -93, GB 4208-93, GB 4706, GB 7000 na ndị ọzọ kwekọrọ mba ụkpụrụ na teknuzu parameters imewe na imewe nke ndị ọzọ metụtara ụkpụrụ.Nwere ike ịme ule mmiri akọwapụtara site na ọkọlọtọ kwekọrọ

"Sistemụ nchekwa nchekwa 1. Nchedo onwe onye, ​​​​mfu nke voltaji atọ, nchebe usoro usoro iji gbochie mgbapụta ahụ ka ọ gbanwee.
2. Accumulator oge iji gbochie nkwụsị mberede nke ule na ịmara oge nkwụsịtụ
3. Ngwaọrụ nchebe ibufe moto
4. Ngwá ọrụ nchebe na-agafe agafe
5. Na fuse-free mgba ọkụ
6. Mgbe okpomọkụ ahụ gafere, ọkwa mmiri dị ala, ọkụ ịdọ aka ná ntị igwe ga-egosi, ọ ga-akwụsịkwa ozugbo.Mgbe ewepụghị mmejọ ahụ, enweghị ike ịgbanwu ya
7. Mgbanwe nrụgide mmiri na-ebufe ihe nchebe
8. Mgba ọkụ na-ebufe ibu mkpuchi
9. The moto na-onwem na ihe overcurrent nchebe
10. Oti mkpu
11. Chinese egosi ihuenyo nke ọdịda ebe"