Knowledge scores significantly differed across age groups (P < 0.05), education levels (P = 0.001), and occupations (P < 0.05). Attitude scores were significantly different between males and females (P < 0.05), whereas practice scores varied significantly across gender (P < 0.05), age groups (P = 0.01), education levels (P = 0.015), occupations (P < 0.05), and according to knowledge score (P = 0.000). Results from multiple linear regression indicated that lower knowledge scores were significantly associated with lower education level (P < 0.05), whereas poor preventive practices were common among male, young and unemployed participants with significance levels of P < 0.01, P =. The findings of this study suggest that the Syrian residents demonstrate modest knowledge, attitudes and practices towards COVID-19 at the time of its global outbreak. Efforts should be directed towards raising the awareness of the disease to improve their practices in the current COVID-19 pandemic, as well as for future epidemics.Īttitude and practice COVID-19 Knowledge Pandemic Syria.The KRISS KARD ( KRISS Automatic, Research & Development) is a prototype of semi-automatic pistol being developed by KRISS USA (formerly Transformational Defense Industries (TDI)). 45 ACP, and utilizes the same Super V System as the KRISS Vector, but in a much smaller package to minimize recoil and muzzle rise. It will not have a blowback slide instead it has a T-shaped cocking handle on the rear. The KARD is a handgun with a fixed barrel, rather than the more conventional and common tilting barrel system present among most pistols. To provide inertia, a weight is installed at the front of the weapon with a bolt actuator.
The weight, which tilts downwards during recoil, provides the same functionality of inertia of a slide on conventional pistols. By the time the bolt and barrel separate, the pressure inside the barrel will be at safe levels. A recoil spring pulls the bolt back into battery and stripping a round off the magazine on its return, ready for firing.
The recoil mechanism transfers some of the recoil energy in a downward direction at front of the weapon, rather than rearwards like a slide does in conventional pistols. This is to assist in keeping the weapon on target.
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