Ihe mbu bu nke mbu, ntuziaka ndi ahia anyi ka anyi nye ndi ahia anyi oru zuru oke.Mmanụ mmanụ, Dual - Line akpaka akpaaka na-eme usoro maka mmanụ na mmiri, Valvụ na-aga n'ihu,Mengmụaka na-ejikọ ọnụ. Site n'ọrụ ike anyị, anyị anọwo na-ebute ụzọ nke teknụzụ ngwaahịa dị ọcha dị ọcha. Anyị bụ onye na-acha akwụkwọ ndụ akwụkwọ ndụ ị nwere ike ịdabere na ya. Kpọtụrụ anyị taa maka ozi ndị ọzọ! Ngwaahịa ahụ ga-enyefe ụwa niile, America, America, Australia, Arelaide, Sri Lanka, Egypt, United States nwere ike dị ukwuu ma nwee usoro ọrụ netwọkụ zuru oke na nke zuru oke. Anyị na-eche na anyị nwere ike igosipụta mmekọrịta azụmaahịa ya na ndị ahịa niile n'ụlọ na mba ọzọ dabere na uru mmekọrịta.