Nkọwa nkenke:

Ngwaahịa ọ na-emetụta ya ụlọ ọrụ mmepụta ihe na igwu ala na ụlọ obodo. Ma ọ bụ akụrụngwa nke na-achịkwa ọdọ mmiri, ụlọ mmiri, igbe mmiri, wdg. Ọ nwere uru nke mmeghachi omume na-adịghị emetụ n'ahụ, njikwa acurate, ihe ọhụrụ na ihe bara uru, yabụ ọ bụ ngwaahịa ngwaahịa mmiri dị mkpa nke ụlọ ọrụ, ụlọ ezumike, ụlọ, ụlọ na ihe ndị ọzọ.

Ekwesịrị ịwụnye onye na-achịkwa ọkwa mmiri ahụ n'ụzọ zuru oke n'ime ọdọ mmiri ahụ. Tinye,

a na-ebute igbe mkpuchi akara n'ime mmiri ọkụ ọkụ, wee tinye ọnụ ya n'ime igbe ahụ. na ịchọta ibe na-atụgharị na waya na-eguzogide okpomọkụ. Mgbe ejikọtara ọkụ ọkụ mmiri na ike, yana mgbe ọkwa mmiri na-agbada na 1/2 obere mpaghara mpempe akwụkwọ, ihe mgba ọkụ na-akpaghị aka ga-ejikọ ya na ike ọkọnọ wee bido mmiri mgbapụta. Mgbe mmiri dị elu na-abawanye ruo 1/2 mpaghara mpaghara ụzọ dị elu, mgba ọkụ Merciod ga-ebipụ ike na akpaghị aka. ya mere wrater pump pump stoops na-arụ ọrụ na akpaghị aka, You nwere ike ịtọ elu nke mmiri larịị site na elu ịchọta ibe na ala ịchọta ibe site yourseUK, otú ngwaahịa nwere ike ekwe nkwa na mmiri fl ows continuosly.