Then, ensure the latch mechanism is engaged. Many Screen Away doors have a latch built into the top of the bottom glass panel, located in the middle of the door. Other doors have a latch built into the handle at the top of the top operating glass panel. This handle needs to be installed during the door installation.
Nitrates are used to: 1  Relieve angina. 2  Prevent angina, when used before stressful activities that can cause angina (such as sexual intercourse or walking up stairs or a hill). 3  Prevent angina that occurs during daily activities (long-term use).
A mixture of sodium nitrate, calcium nitrate and potassium nitrate is used as energy storage material in prototype plants, such as Andasol Solar Power Station and the Archimedes project. It is also used in the wastewater industry for facultative microorganism respiration.odium nitrate should not be confused with sodium nitrite, which is also a common food additive and preservative used for example, in deli meats. Less common applications include as an oxidizer in fireworks replacing potassium nitrate commonly found in black powder and as a component in instant cold packs.