Nkọwa ngwaahịa
● Ngwa nke Plate Nkebi Oghere Oghere PC:
1.Ewu nke mkpuchi anwụ na ụlọ, ụlọ ezumezu, ama egwuregwu ụlọ ahịa, ebe ntụrụndụ ọha na eze na ebe ọha.
2.Ọta mmiri ozuzo nke ọdụ ụgbọ ala, ebe a na-adọba ụgbọala, pergolas na corridors.
3.Mpempe akwụkwọ nkwado ụda n'ụzọ dị elu.
● Ngwa nke efere akụkụ obe oghere PP:
1.Mpempe akụkụ obe oghere PP bụ ìhè na ike dị elu, ihe akaebe nke mmiri, ezigbo nchebe gburugburu ebe obibi na ịrụ ọrụ nrụpụta.
2.Enwere ike ịhazi ya n'ime akpa a na-emegharịgharị, akpa akpa, clapboard, efere nkwado na culet.