Developing and testing and operating complex machinery and repairing it under time pressure if it breaks down - individuals in many professions have to learn new skills. Moreover, they have to do so as quickly and as thoroughly as possible. Virtual technologies are supporting learning more and more frequently. Operations and procedures on machinery and plants are already taught in individual lessons on the virtual model. They can be repeated as often as desired without the space or time constraints of real machinery and without endangering either operator or plants through incorrect behaviour and can be practiced before a real machine or plant has been constructed.
