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This article examines the market of household services, reproduction, a complex and self-regulating socio-economic system, the constant influence of all its links on supply and demand of the population, as well as its center, that is, the interests of the service consumer, the task of a target in...

The necessary physical qualities, skills and abilities for people were acquired in the process of their direct labor activity. Only young people learned to some extent from older people how to make and work with the simple tools available at that time and how to protect them from wild animals.