an Entity references as follows:
This property identifies the maker, the actor who is responsible for the production of a device, a computer, a digital camera, any kind of a machine that has been produced. This property is a shortcut of a more fully developed path from CRM E12 Production:P108 has produced:E24 Physical Man-Made Thing. In this case, there is no need to describe the more detailed property through a production event,so L33 has maker is reccomended to be used instead.