Njirimara ngwaahị答:
1.Nnukwu oghere oghere, ventilashion na引流,adaba maka sacha
2.A na-ekpuchi azụ azụ nke ma na ogidi mgbochi skid, na-ejidesi ike na mmetta mgbochi skid ka mma。
3.nleneanya拼接,nke na- ejiknnta ọnụ, nkwsue dddis mfe na nkwụsịtụ
4.Ihe mkpuchi roba dmfe ịkpụ ma nwee ike izute dọ bla chọrọ
5.防震na mkpakọ na-eguzogide