Designated as an American National Standard, the Uniform Plumbing Code (UPC) is a model code developed by the International Association of Plumbing and Mechanical Officials (IAPMO) to govern the installation and inspection of plumbing systems as a means of promoting the public’s health, safety and welfare.
Bread made of air – the saying is still true today, more than a hundred years after the German scientists Fritz Haber and Carl Bosch discovered the possibility of extracting nitrogen from the atmosphere. In 1918 they received the Nobel Prize for this – and rightly so. The huge leaps in
production in agriculture would not have been possible without “artificial fertilizers”, and famines could hardly have been avoided.
How much water actually flows through your pipe every day? The answer is easy to find, for example by looking at your own water bill. In many apartment buildings, however, the water consumption is allocated across the board to the number of tenants. Continue reading Save water – but how?