Good workers are of vital importance for every company that wants to ensure their place on the market. In the 21st century, people are a significant and valuable resource for every successful organization. The need for a high-quality workforce is always there, whether the company expands the business or just wants some fresh blood among its employees. Big companies have entire sectors that deal with the complete process of selecting and hiring new employees, but also improving the performance of existing staff. Middle-size organizations often have one or only a few people in charge of it. And some companies do