Reliability, the part of successful convocations of a voluntary fire brigade, is one of the decisive factors of successfulness and quality of a voluntary fire brigade. The unplanned selection and education of firemen show that the unit is not reliable enough. The presented mathematical model serves as a numerical evaluation of reliability. It helps to analyze the causes of eventual weak points and to make effective steps toward their improvement. This method is the first step to a large analysis of quality and reliability of a voluntary fire brigade. The calculations represent a mathematical model that is not fully equivalent to the real situation, but it depicts well enough and is much cheaper to find and test optimal solutions. It is also relatively easy to test the reliability of each voluntary fire brigade (VFB).
Demographic data shows the population is ageing, and consequently we are seeing an ageing workforce. Even though the effectiveness of older workers is not in question, older workers are suffering from age-related conditions, diseases and injuries. Measures that prevent health problems throughout the working life are crucial to reduce the amount of sickness and absence in order to avail an early return to work. Established methodologies in which work disability is well defined are the foundation for successful interventions. Research shows that measures to reduce absenteeism and a faster return to work are mostly organizational in nature. Therefore, these are mainly management tasks. Article present an array of interventions that are supported by various studies and recommendations by several European government and non-government organisations that demonstrate efficiency by reducing the amount of absence and facilitate an early return to work. The study verifies perception of suggested interventions between the Slovenian workforces.
A company should pay much attention to information systems security. It is necessary to secure the support system of the organization if we want continuity and effectiveness of business. In addition to providing security through technological precautions to prevent intrusion and abuse, it is necessary to pay more attention to the vulnerability and threats caused by the engaged users. Here we refer to unintentional threats, as a result of faulty workmanship or lack of knowledge of the information system. It is important to strive to reduce the possibility of causing the occurrence of incidents which are the result of improper use of information technology, which is due to ignorance. An organization shall consider and identify vulnerabilities of the system and threats to it. We confront the growing amounts of information in electronic form. Ensuring security of information systems (IS) in the workplace involves many steps that a company must adopt and carry out. The vulnerability of the systems is being examined, whereas the form of the new age of terrorism, cyber- terrorism, is being presented. This paper deals with ways of reducing risks and increasing safety and security of IS. It presents possible ways of ensuring the safe use of IS. Key words:Information system, management, safety, security.
When changing cars’ fuel (hydrogen, methane, oil gas), the demands for safe garages for one car in dwelling buildings are being changed, too. It is necessary to know and understand the expansion of gases in the circumstances of unexpected gas escape to establish the safety rules. With the help of a model garage (1 : 10) we use an experiment to find out the expansion of gases or the concentration on separate measuring points. We measured the concentration of argon, helium and the mixture of hydrogen and argon, methane and argon. We observed the filling and the emptying of the enclosure – model garage. According to the results, we got with the measuring, we searched out suitable mathematical curves, which would well enough list the enlargement of concentration at separate measuring points. We are still looking for a connection between the parameters of the curves, the parameters of measuring and the conditions of the experiments. We will be able to find a suitable safety protection if we know the behaviour of the gases in a concrete closed room. Key words: mathematical model, gas expansion, safety in a garage.
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