Mader and Wupper
 have given the equivalent PLC function block and the timed automata model for TON timer instruction.
They will also pour water from the River Wupper
into the River Tyne to symbolically unite the two towns.
Surrounded by fire, many sought protection in the Wupper
In the nineteenth century, heavy pollution in the Ruhr, Emscher, and Wupper
rivers had serious human health consequences.(80) This led the Prussian government to define, allocate, and defend public property rights in water quality by creating water management organizations.(81) Today, the water management organizations act with owner-like concern as they build treatment plants, determine and collect fees, and manage parks and recreational areas.(82) To the extent possible, public sector managers charge prices and manage environmental assets as though they were private property.(83) Therefore, there is a system of 2-D, feudal property rights that provides incentives for cost-effective pollution control.
Authorities said a clamp that had not been removed from the tracks after weekend construction work apparently caused the two-car train to derail over the Wupper
river on its first run of the day to Wuppertal.
Police said the train fell about 30 feet into the water off a stretch of track above the Wupper
River in the western German city of Wuppertal.
Her other important works are the play Die Wupper
River"), the autobiographical novel Mein Herz (1912; "My Heart"), and the short stories collected in Der Prinz von Theben (1914; "The Prince of Thebes") and Der Wunderrabbiner von Barcelona (1921; "The Wonder Rabbi of Barcelona").