Adding chlorine at a dosage of 0.2 mg/L as Cl2 to. drinking water will increase the corrosion of copper and iron in the system but may not adversely. affect lead. In general, elevating the pH of the water to between 7.0 and 7.8 is beneficial in. counteracting the corrosive effect of chlorinated water.
A macrosystem is a large system within which microsystems are contained. An example of a part of a law firm's macrosystem is the U.S. court system. macrosystem is a large system within which microsystems are contained. An example of a part of a law firm's macrosystem is the U.S. court system.
For example, you could define a macro to contain all the keystrokes necessary to begin a letter -- your name, address, and a code that inserts the current date. Then, whenever you write a letter, you just press the macro key to include the letter header. In a way, macros are like simple programs or batch files.