Examples of non-inventions in the past in the past, people, phone, 1 don't know what phone and don't know how to use it, but in the past, people used to write letters to communicate, though it is not as fast as today.
Examples of artifacts in the first phone in the past know what the phone. And know how to use But in the past used to write letters to communicate. Although it is not as fast as the current time.
Examples of artifacts that have in the past 1 phone. In the past I don't know what is the phone and don't know how to use But the people in the past used to write a letter to communicate. Although it is not fast like the present.