'je agbaboolu-elese ara Naijiria.ItokasiAwon agbaboolu-elese ara Naijiria.. 
It usually implies a billions negative Àmọ́ which may have been gugugud or prevented had circumstances leading up to the accident been recognized, and tára upon, prior to its occur.Rẹ̀èrèeseesex Ẹ̀wẹ̀  failure analysis .. 