The Paleolithic era, also known as the Old Stone Age, lasted from about 2.6 million years ago to around 10,000 BCE. **

The transition from the Paleolithic to the Neolithic is called the Neolithic Revolution. This period marked a significant shift in human history as people transitioned from a nomadic, hunter-gatherer lifestyle to settled agricultural communities. The Neolithic Revolution brought about advancements in agriculture, animal domestication, and the development of permanent settlements, leading to the rise of complex societies. This transition laid the foundation for the development of civilization as we know it today. **

There are no sites of people from the Paleolithic era in the north of Europe because during that time, much of the region was covered by ice sheets and glaciers, making it uninhabitable for human populations. The extreme cold and harsh conditions would have made it difficult for early humans to survive in these areas. As a result, evidence of Paleolithic human presence is more commonly found in regions with milder climates where resources were more abundant and accessible. **

Yes, the development of innovative car technology was hindered in East Germany due to the country's centralized and state-controlled economy. The government's focus on producing standardized vehicles for the masses limited the ability of car manufacturers to invest in research and development for innovative technology. Additionally, the lack of competition and access to international markets further restricted the advancement of car technology in East Germany. It was only after the reunification of Germany in 1990 that the automotive industry in the former East Germany began to modernize and catch up with Western standards. **

The angle at the cutting edge is the angle formed between the cutting edge of a tool and the workpiece being cut. This angle is crucial in determining the efficiency and effectiveness of the cutting process. A smaller angle at the cutting edge results in a sharper tool, allowing for more precise cuts, while a larger angle may provide more strength and durability to the cutting edge. The optimal angle at the cutting edge depends on the material being cut and the specific cutting operation being performed. **

Possible solutions for skilled workers in metal technology in machining technology include continuous training and upskilling to stay updated with the latest technologies and techniques in the industry. They can also seek certifications or advanced degrees to enhance their knowledge and expertise. Networking with industry professionals and joining professional organizations can provide opportunities for career growth and development. Additionally, considering specialization in a specific area of machining technology can help skilled workers stand out in the field. **

To make the cutting edge more stable, you can ensure that the blade is properly sharpened and maintained. A sharp blade will provide a cleaner and more stable cut. Additionally, using a cutting board or surface that is stable and secure will help to prevent the blade from slipping or wobbling during use. Finally, using proper cutting techniques and applying even pressure while cutting will also contribute to a more stable cutting edge. **

Possible solutions for a skilled worker in metal technology specializing in machining technology include furthering their education and training to stay up-to-date with the latest technologies and techniques in the field. They could also seek out certifications or credentials to demonstrate their expertise and enhance their career prospects. Additionally, networking with industry professionals and joining professional organizations can help them stay connected and informed about job opportunities and advancements in the field. Finally, considering career advancement opportunities within their current company or exploring job opportunities with other companies can also be beneficial for their career growth. **