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Cell phone jammers can try to do classified tasks

In the annual general college entrance examination, around the general requirements of the provincial party committee and government of “safety, quality and fairness”, “safe college entrance examination, sunny college entrance examination, and warm college entrance examination” are established to ensure the safety of the college entrance examination. Exam, pay close attention to exam discipline. Fair and just. Complete the purpose of “three eliminations and one increase” (elimination of safety accidents, elimination of electric leakage, elimination of missed work, and increase of violations of discipline and laws to the minimum limit). Before the college entrance examination, in addition to the use of mobile phone signal jammer in order to do a good job of confidentiality, various functional departments of Tunnel County also perform their respective duties to escort the smooth progress of the college entrance examination.

On June 4, the Municipal Law Enforcement Bureau concentrated manpower and material resources to repair and pave the entrance passage of the No. 1 Middle School examination room and some roads in the suburbs. The power sector has stopped inspections and safety inspections on the transmission lines of the test site. Public security, highway, traffic police, industry and commerce, health and other departments have formed a combined inspection team to clear and remove structures that obstruct passage such as car washes on the city’s roads, and set up college entrance examination signs in relevant departments. Stop checking and sorting out the meals, student dormitories, canteens, etc. around the test center, and stop dealing with suspects who have made meritorious contributions. Special rectification of “three no” electronic product exam cheating and other illegal acts;

Under normal circumstances, gasoline explosion needs to meet two conditions at the same time: one is that the concentration in the air reaches the explosion limit range; the other is that there is a fire source around. The so-called explosion limit refers to the volume concentration range at which a mixture of flammable gas and air will explode when exposed to an open flame. The explosion limit of gasoline is 1.4%-7.6%, which means that the gasoline concentration in the air can be extinguished within this range. Since the gas recovery system of gas stations in my country is very complete, there are still many people who install mobile phone jammers to avoid electromagnetic sparks on mobile phones. It is generally difficult to reach this range, but it cannot eliminate equipment failures caused by oil and gas dispersion. Ignition sources include open flames, electrical sparks, thermal surfaces, shock waves, and the like.