The transmission of bacteria is more likely to occur from wet skin than from dry skin; therefore, the proper drying of hands after washing should be an integral part of the hand hygiene process in health care. This article systematically reviews the research on the hygienic efficacy of different hand-drying methods. A literature search was conducted in April 2011 using the electronic databases ...

The article presents the problem of synchronization piston rods velocity multi-cylinder electro-hydraulic servo drive. This task was presented on example a heavily loaded mobile caterpillar platform. For levelling platform, four-post support mechanism with proportional valve control system used. A linear external controller to synchronize movement cylinders used and non-linear internal for each...