The process and results of applying the laws of nature to solve unique problems in the technical field and proposing innovative plans and measures. Products are invented to meet people's daily needs. Divided into useful inventions and useless inventions. The results of inventions either provide unprecedented models of artificial natural objects, or provide new processes and methods for processing and production. Innovations and transformations in machinery, equipment, instrumentation and various consumer products, as well as related manufacturing processes, production processes and detection and control methods, are all inventions.