The purpose of this application is to provide introductory information geared toward those who are beginning their career in industrial process control, specifically instrumentation. This application includes a brief summary of instruments, advantages, disadvantages, manufacturers, instrument variants, and working principles. Application query allows the user to filter out results based on specific industrial applications in mind. Upon receiving a brief introduction to any topic, the user shall do more thorough research prior to applying any concepts learned in this application. Enjoy the app!