Akwụkwọ ntuziaka GREENHECK HPA nwere Plenum Array Ntuziaka
Ngwakọta Plenum nke HPA nwere: Nwụnye, ojiji, na ntuziaka njikwa, hụ na ojiji nke HPA-ụlọ Plenum Array dị mma yana ntuziaka anyị zuru oke. Soro usoro nrụnye, akpachapụ anya nchekwa, yana usoro njikwa kwesịrị ekwesị. Ezubere maka gburugburu dị iche iche, ngwaahịa a na-ekwe nkwa ịrụ ọrụ kacha mma.