You can see this at play with the hot dog: the sandwich and sausage were both invented elsewhere, so to celebrate them separately as uniquely American on America's day of independence would present an empty gesture, immediately undermined by the tools used to make it.
An Ommaya reservoir is an intraventricular catheter system that can be used for the aspiration of cerebrospinal fluid or for the delivery of drugs (e.g. chemotherapy) into the cerebrospinal fluid.n Ommaya reservoir is an intraventricular catheter system that can be used for the aspiration of cerebrospinal fluid or for the delivery of drugs (e.g. chemotherapy) into the cerebrospinal fluid.
Reservoir [edit]. Lake Volta is a reservoir impounded by the Akosombo Dam on the lower Volta River in Ghana. It is one of the largest reservoirs in the world. It extends from the Akosombo Dam in southeastern Ghana to the town of Yapei, some 400 kilometres (250 mi) to the north.