Tuhia he haere tonu mō tēnei wāhanga - Ko ngā tātari o ngā aitua nui e pā ana ki ngā wāhanga rerekē o te hapori e tohu ana ko ngā hapa huna te mōrea nui ki te haumaru i roto i tētahi pūnaha matatini. Kei roto i aua aitua ko te aitua o Three Mile Island
, Heysel Stadium disaster, Bhopal disaster, Chernobyl disaster, Space Shuttle "Challenger" disaster, King's Cross fire, "Piper Alpha", and MS "Herald of Free Enterprise". Ko te kaupapa o te kaupapa o te kaupapa o te kaupapa o te kaupapa o te kaupapa.