This lecture introduces various types of tools used in machining, such as spherical, pointed, and standard tools with different coatings to enhance durability and resistance to abrasion. The instructor explains the importance of using specialized tools for machining materials like plywood, highlighting the use of solid carbide tools and surface treatments to increase tool lifespan. Additionally, the lecture covers the technology behind tool fixation, including mechanical clamping and magnetic induction, to maintain tool stability and efficiency during the machining process.