The paper examines the functional requirements and the basic architecture of the tools supporting model-oriented techniques for design of safety critical software/hardware systems. The best practices of development such systems are described in international standards like ARP-4754, ARP-4761, and DO-178. The proposed approach is built around architecture models expressed in AADL language and its extensions.
The article is devoted to evaluation of normative definition of production and consumption wastes and to the particular qualities of transfer of ownership. Thus the author proposes to consider as wastes any things that have been rejected by the owner. Up to the article a tool by which «a waste» can be turned into «a product is required. With this tool a number of difficulties in human activity can be removed. There are some variances that appear when an owner of wastes that are kept in a landfill has no access to his wastes but up to our legislation is liable for the possible harm. There are proposed some ways to adjust differences.
The article deals with basic specific institutional features of professional training in coordinated and liberal economies. The author thinks that the specifics of labor market institutes have become one of the basic factors that shape models of professional training. One of the principle directions of evaluation of these models is checking whether they are up to challenges of the modern economy. The mechanisms of providing of education services in various countries is primarily determined by the choice of funding sources, the ratio between general and specialized knowledge, and specifics of the knowledge certification systems.