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并不是所有的犯罪分子都是轻易被逮捕、轻易被降服的。有的犯罪分子反抗心理不强,当警察出示了证件后,他们就束手就擒。有的犯罪分子十分好斗,要治服他们往往要费一些力气。他们有时对警察或他人的安全也会构成威胁。因此,对付他们必须采取必要的强制手段。警察在接到此类报警后要小心对付,以防发生意外,危及他人和自己的生命安全。传统的技术手段有时会使人呼吸不畅、甚至窒息,有时使人身体组织受伤。如果警察在制服某人时使其受伤或死亡,就会使警察或警察机构处于不利的应诉状态。在对付好斗的犯罪分子时使用诸如“辣椒喷剂”的化学剂器是比较普遍的。化学剂器对犯罪分子可以发挥一定作用,但对人的气管有影响,能够减少氧气进入人的肺部。因为犯罪分子的身体在反抗状态下血管中更需要氧气,而酒精等其他有害的物质会增大血管的压力,使其更需要氧气。
Not all criminals are easily arrested and easily surrendered. Some criminals resist psychology is not strong, when the police show their documents, they will fight. Some criminals are aggressive, and often have to work hard to subdue them. They also sometimes pose a threat to the safety of the police or others. Therefore, the necessary coercive measures must be taken against them. The police, after receiving such an alarm, must be careful to prevent accidents and endanger the safety of others and their own lives. Traditional techniques sometimes cause people to breathe poorly or even suffocate, sometimes injuring people’s tissues. A police officer or police agency is placed in a disadvantageous situation if the police injure or kill a person while in the uniform. It is more common to use chemical devices such as “Pepper Spray” when dealing with aggressive criminals. Chemical agents can play a role for criminals, but have an impact on the human trachea and can reduce the amount of oxygen entering the human lungs. Because the criminals’ body needs more oxygen in the blood vessels in the defensive state, and other harmful substances such as alcohol increase the pressure on the blood vessels, making them more in need of oxygen.