At the closing ceremony, officers and men of the Shenzhen Public Security Frontier Detachment carried out security patrols at the Shenzhen Bay. ▲ The sea frogs who are covered in high-tech are working in the water. The sea special team frogman searches for suspicious items in the water. On the morning of August 19th, the frog people of the special marine team of the Shenzhen Public Security Border Defense Corps are using the newly purchased underwater detection equipment to touch the dangerous goods under water drainage near the Dameisha Universiade beach volleyball competition. During the Universiade, the frogs of the special marine team have conducted investigations of underwater suspicious objects around the opening venues and in the competition area more than 10 times, ensuring the safety and stability of the competition sea area. Together with the detachment, all the officers and soldiers participated in the coordination with other units and built a solid "Great Wall at Sea" for the security of the Universiade. The complex conditions of the seabed, the turbulent and unsteady flows, and the unpredictable factors such as high pressure and darkness can be considered as exclusion zones. Members of the sea special contingent overcome difficulties through their perseverance and daring to try. Diving is a manual job. Divers work underwater and often consume several or even ten times more energy than doing the same job on land. To this end, the team members insisted on a 10-km long-distance running every day. They carried barbells and squats and sit-ups. They also wore tight-fitting wetsuits and hung chestnuts weighing 30 kilograms.... While the players were hard at work, the Shenzhen Border Defense Corps, with the support of the Ministry of Public Security’s Border Defense Bureau and the Guangdong Provincial Frontier Defense Corps, raised funds and successively assigned special submarine set-point sonar systems, underwater television systems, and underwater wireless intercom. Advanced underwater anti-terrorism equipment such as systems, underwater thrusters, underwater manipulators, and underwater metal detectors. The put into use of these equipment has greatly increased the scientific and technological content of underwater anti-terrorism for the Frogman, and has played a significant role in the maritime security work of the Universiade.
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