A skill can be self-defense, and you are not afraid of not being able to live. Technology will always have the ability to protect itself, not afraid of not being able to support itself. The World Intellectual Property Organization defines technology in the Handbook of License Trade for Developing Countries (version 1977): "Technology is the systematic knowledge of manufacturing a product, adopting a process or providing a service, regardless of whether this knowledge is embodied in an invention, a shape design, a utility model or a plant. Or reflected in technical information or skills, or in services or assistance provided by experts for designing, installing, starting or maintaining factories or managing industrial and commercial enterprises or their activities.