The mathematical model of process of pressing of seamless pipes is developed and influence of different forms is set formative matrices on character of forming of energy power parameters of hearth of deformation.

The article covers the results of the particular correlation of aspects of time perception, attitude to it, individual psychological aspects of personality and the content of free time, and methods of its organization.

The article is devoted to conformism of an individual as a result of social influence.

The task concerning vibroactivity for refined dynamic model of mandrel bar acoustic positioning system of screw-rolling mill is solved.