NATIONAL DRINKING WATER CLEARINGHOUSE PAGE OF FOUR Using ultraviolet (UV) light for drinking water disinfection dates back to 1916 in the U.S. Over theyears, UV costs have declined as researchers develop and use new UV methods to disinfect waterand wastewater.ATIONAL DRINKING WATER CLEARINGHOUSE PAGE OF FOUR Using ultraviolet (UV) light for drinking water disinfection dates back to 1916 in the U.S. Over theyears, UV costs have declined as researchers develop and use new UV methods to disinfect waterand wastewater.
Dulce de leche (pronounced DOOL-se de LE-che, meaning candy of milk or milk jelly in Spanish) is a rich and decadent sauce or syrup, similar in flavor to caramel.Unlike caramel, however, which is made by heating sugar, dulce de leche is prepared by heating sweetened condensed milk.Dulce de leche is especially common in the desserts of various South American countries, including Argentina and Uruguay. The can may burst. 2  Even though this is a popular way to make dulce de leche, it is unsafe and not recommended. 3  Do not overcook the dulce de leche, especially if you use the saucepan method, because it will burn easily.
For the Latin lines by Horace, see Dulce et decorum est pro patria mori.  Dulce et Decorum est  is a poem written by Wilfred Owen during World War I, and published posthumously in 1920.The Latin title is taken from the Roman poet Horace and means it is sweet and honorable..., followed by pro patria mori, which means to die for one's country.or the Latin lines by Horace, see Dulce et decorum est pro patria mori.  Dulce et Decorum est  is a poem written by Wilfred Owen during World War I, and published posthumously in 1920.