Nkọwa dị mkpirikpi:

Njirimara:

1.Meji maka yana-agbagọ akpọnwụwotii,kwakwaeji na isi nhazi nke herbs,ọzọahụikeelekọta osisi.

2.N'elu nkeokpokoro okpokorobụ na otu ọsọ pịa siigwe anaghị agba ncharaefere,na-eme ka panel na joists ghọọ integral, nke mbelata na-agbasa ruru nke tii na enwekwu ya striping ruru.

3.with akwukwo nri usoro na akpaka ipupu ebu.