（四）违反有关法律法规规定，升放携带明火的升空物体，有发生火灾事故危险，不听劝阻的；
For instance, LGC is advising the UK government and working on DNA methods to identify foods containing the four insect species allowed for sale for human consumption.
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His family did not disclose his cause of death or where he died.
（三）扬言实施放火、爆炸、投放危险物质等危害公共安全犯罪行为扰乱公共秩序的。