The main application of Industry 4.0 is for smart factories. Still, Industry 4.0 can also produce smart ports with automatic cranes that can load goods onto ships without human intervention. You can read about industry 4.0 at https://hapticmedia.fr/blog/en/industry-4.0/.
The transportation industry will also take a hit like cars, trains and aeroplanes become increasingly automated, reducing reliance on drivers, pilots and stairs.
Smart cities can even be very close.
Big data analysis – Big data analysis is an analysis that can be used to analyze and gather useful information from large amounts of data. Big data analytics is on the rise and is being used more actively in Industry 4.0.
3D technology – 3 Dimension technology is a growing sector that is now being used by companies to enhance the shopping experience as well as to simplify workflows. 3D technology applications include 3D modelling, 3D printing, 3D visualization, 3D viewing, etc.
Smart Factories – factories based on modern technologies such as big data processing, cloud computing, robotics, strong cybersecurity.
Internet of Things (IoT) Platform – Internet of Things refers to any device that can collect data, send it over the Internet, and communicate with other devices. Smart refrigerators, lamps and toasters are examples of IoT devices.
Location awareness technology – This technology detects your location and is usually found on mobile devices. Using location awareness technology, you can share your location with people you trust.