Netwọk ihuenyo windo
A na-eji ya eme ihe maka ụlọ ọrụ mmepụta ihe, windo na corridors iji gbochie ụmụ ahụhụ nke ahụhụ.
Ihe: Aluminom, Fiberglass, Plastic.
Agba: Green, Grey, Black, wdg.
Mbukota: na plastic kpara akpa ma ọ bụ katọn.