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Counter Terrorism Response Unit
The Counter Terrorism Response Unit (CTRU) (Simplified Chinese: 反恐特勤队; Traditional Chinese: 反恐特勤隊) is a police tactical unit of the Hong Kong Police Force tasked with countering terrorist attacks at high-risk locations. The CTRU was the first police unit in Asia dedicated to counter-terrorism patrols. History In June 2022, the police force publicly unveiled a grey-blue uniform for the CTRU. Duties The CTRU executes tasks by the counter-terrorism strategies, which is 'Defense, protection, guard, investigation and restoration', of the Police Force and assists the SDU if necessary. The jurisdiction of the CTRU covers the whole of HKSAR, except for the Hong Kong International Airport which is under the protection of Airport Security Unit. The CTRU is responsible for the security of government buildings, LOCPG, Diplomatic missions, infrastructures, ports, railways, gathering places (including HKCEC) and any structures with potential terrorist threats. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and Borders of China, borders fourteen countries by land, the List of countries and territories by land borders, most of any country in the world, tied with Russia. Covering an area of approximately , it is the world's third List of countries and dependencies by area, largest country by total land area. The country consists of 22 provinces of China, provinces, five autonomous regions of China, autonomous regions, four direct-administered municipalities of China, municipalities, and two special administrative regions of China, Special Administrative Regions (Hong Kong and Macau). The national capital is Beijing, and the List of cities in China by population, most populous cit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Noise-cancelling Headphones
Noise-cancelling headphones reduce unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing. Noise cancellation makes it possible to listen to audio content without raising the volume excessively. It can also help a passenger sleep in a noisy vehicle such as an airliner. In the aviation environment, noise-cancelling headphones increase the signal-to-noise ratio significantly more than passive noise attenuating headphones or no headphones, making hearing important information such as safety announcements easier. Noise-cancelling headphones can improve listening enough to completely offset the effect of a distracting concurrent activity. Theory To cancel the lower-frequency portions of the noise, noise-cancelling headphones use active noise control or ANC. A microphone captures the targeted ambient sounds, and a small amplifier generates sound waves that are exactly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Combat Helmet
A combat helmet or battle helmet is a type of helmet. It is a piece of personal armor designed specifically to protect the head during combat. Modern combat helmets are mainly designed to protect from shrapnel and fragments, offer some protection against small arms, and offer a mounting point for devices such as night-vision goggles and communications equipment. History Helmets are among the oldest forms of personal protective equipment and are known to have been worn by the Akkadians/ Sumerians in the 23rd century BC, Mycenaean Greeks since the 17th century BC, the Assyrians around 900 BC, ancient Greeks and Romans, throughout the Middle Ages, and up to the end of the 17th century by many combatants. Their materials and construction became more advanced as weapons became more and more powerful. Initially constructed from leather and brass, and then bronze and iron during the Bronze and Iron Ages, they soon came to be made entirely from forged steel in many s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pulse Oximetry
Pulse oximetry is a noninvasive method for monitoring a person's oxygen saturation. Peripheral oxygen saturation (SpO2) readings are typically within 2% accuracy (within 4% accuracy in 95% of cases) of the more accurate (and invasive) reading of arterial oxygen saturation (SaO2) from arterial blood gas analysis. But the two are correlated well enough that the safe, convenient, noninvasive, inexpensive pulse oximetry method is valuable for measuring oxygen saturation in clinical use. The most common approach is ''transmissive pulse oximetry''. In this approach, a sensor device is placed on a thin part of the patient's body, usually a fingertip or earlobe, or an infant's foot. Fingertips and earlobes have higher blood flow rates than other tissues, which facilitates heat transfer. The device passes two wavelengths of light through the body part to a photodetector. It measures the changing absorbance at each of the wavelengths, allowing it to determine the absorbances due t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
First Aid
First aid is the first and immediate assistance given to any person with either a minor or serious illness or injury, with care provided to preserve life, prevent the condition from worsening, or to promote recovery. It includes initial intervention in a serious condition prior to professional medical help being available, such as performing cardiopulmonary resuscitation (CPR) while waiting for an ambulance, as well as the complete treatment of minor conditions, such as applying a plaster to a cut. First aid is generally performed by someone with basic medical training. Mental health first aid is an extension of the concept of first aid to cover mental health, while psychological first aid is used as early treatment of people who are at risk for developing PTSD. Conflict First Aid, focused on preservation and recovery of an individual's social or relationship well-being, is being piloted in Canada. There are many situations that may require first aid, and many countries ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Motorola
Motorola, Inc. () was an American multinational telecommunications company based in Schaumburg, Illinois, United States. After having lost $4.3 billion from 2007 to 2009, the company split into two independent public companies, Motorola Mobility and Motorola Solutions on January 4, 2011. Motorola Solutions is the legal successor to Motorola, Inc., as the reorganization was structured with Motorola Mobility being spun off. Motorola Mobility was acquired by Lenovo in 2014. Motorola designed and sold wireless network equipment such as cellular transmission base stations and signal amplifiers. Motorola's home and broadcast network products included set-top boxes, digital video recorders, and network equipment used to enable video broadcasting, computer telephony, and high-definition television. Its business and government customers consisted mainly of wireless voice and broadband systems (used to build private networks), and, public safety communications systems like Astro an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Toyota Land Cruiser
The (also sometimes spelled as LandCruiser) is a series of four-wheel drive vehicles produced by the Japanese automobile manufacturer Toyota. It is Toyota's longest running series of models. , the sales of the Land Cruiser totalled more than 10 million units worldwide. Production of the first generation of the Land Cruiser began in 1951. The Land Cruiser has been produced in convertible, hardtop, station wagon and cab chassis body styles. The Land Cruiser's reliability and longevity have led to huge popularity, especially in Australia, where it is the best-selling body-on-frame, four-wheel drive vehicle. Toyota also extensively tests the Land Cruiser in the Australian outback considered to be one of the toughest operating environments in both temperature and terrain. In Japan, the Land Cruiser was once exclusive to Toyota Japanese dealerships called '' Toyota Store''. As of 2021, the full-size Land Cruiser was available in many markets. Exceptions include the United State ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Toyota HiAce
The (pronounced "High Ace") is a light commercial vehicle produced by the Japanese automobile manufacturer Toyota. First launched in October 1967, the HiAce has since been available in a wide range of body configurations, including a minivan/MPV, minibus, panel van, crew van, pickup truck, taxi and an ambulance. In Japan, the HiAce is exclusive to ''Toyopet Store'' locations. __TOC__ First generation (H10; 1967) In the late 1960s, Toyota Auto Body, a Toyota subcontracting company, led the development of the HiAce as a small van with a design, similar to European ones at the time, but, according to former Toyota senior employee Akira Kawahara, something unseen in the Japanese industry. Introduced in 1967, the HiAce was offered as a cab over pick-up, delivery van, and a stretched commuter vehicle. It was also called the HiAce Commercial in camper van configuration. It was brought to market two years after the introduction of the Nissan Homy, acquired by Nissan when ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mercedes-Benz Sprinter
The Mercedes-Benz Sprinter is a light commercial vehicle (van) built by Mercedes-Benz Group AG of Stuttgart, Germany as a large van, chassis cab, minibus, and pickup truck. In the past, the Sprinter had been sold under the Mercedes-Benz, Dodge, and Freightliner nameplates. In the U.S., it was built from complete knock down (CKD) kits by Freightliner. Re-badged and re-engined Sprinters were also sold by Volkswagen Commercial Vehicles as the Volkswagen LT and the Volkswagen Crafter. They are now primarily marketed by Mercedes-Benz. In the Mercedes-Benz van lineup, the Sprinter is the largest model offered, followed by the mid-size Vito (aka Viano, V-Class, and EQV) and small Citan. __TOC__ First generation (1995–2006, T1N) Europe The first generation Sprinter was launched in Europe in 1995 to replace the famous but outdated T1 Transporter van dating from 1977. Compared to the T1, the Sprinter had reduced the aerodynamic drag and moved the engine further forward ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SIG MPX
The SIG MPX is a gas-operated submachine gun designed and manufactured by SIG Sauer, and is primarily chambered in 9×19mm Parabellum cartridge. It is a gas-operated firearm featuring a closed, rotating bolt. These design features, rare in submachine guns, were chosen to enhance the safety of the user and to have a more reliable firearm. It was designed in 2013 and was released to the general public in 2015. It features the SIG Sauer short stroke push-rod gas system to reduce the recoil and improve the reliability of the weapon. The MPX, in its second generation, features a system that would allow for conversion from 9mm to .357 SIG or .40 S&W. However, since its inception, first party conversion kits have not been made available for either of the two production generations of the gun. SIG Sauer also used the same gas piston system to develop the SIG MCX carbine. Design details The standard variant of the MPX comes with an 8.0 inch (20.3 cm) barrel and is chambered in 9 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HK MP5
The Heckler & Koch MP5 (german: Maschinenpistole 5) is a 9x19mm Parabellum submachine gun, developed in the 1960s by a team of engineers from the German small arms manufacturer Heckler & Koch. There are over 100 variants and clones of the MP5, including some semi-automatic versions. The MP5 is one of the most widely used submachine guns in the world,Hogg, Ian (2002). ''Jane's Guns Recognition Guide''. Jane's Information Group. . having been adopted by over forty nations and numerous military, law enforcement, intelligence, and security organizations. In 1999, Heckler & Koch developed the UMP, the MP5's successor. Despite its higher cost, the MP5 remained the more successful of the two options. History Heckler & Koch, encouraged by the success of the G3 automatic rifle, developed a family of small arms consisting of four types of firearms all based on a common G3 design layout and operating principle. The first type was chambered for 7.62×51mm NATO, the second for the 7 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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