“…The two basic VR application types are: single object oriented (usually an object is a virtual model of a specific product) and scene oriented. The most popular engineering VR applications nowadays are, among others, virtual simulation of operation, service, assembly and disassembly [32], virtual workplaces [27,31] or product configurators [24,33]. Depending on the lifecycle phase of a product, at which a VR application of a specific type is created, it can be used to test functions of a product, train the staff or visualize the product for sales and marketing purposes [26].…”