You have to read the bottle. Some Windex's habe ammonia and some have vinegar. I use the vinegar one and its fine. I don't spray it in the screen, I spray it on the towel then wipe gently.
According to the CIA World Factbook, Peru covers a total area of 1,285,216 square kilometers, or 496,224 square miles.This area is delineated by international boundaries and/or coastlines, and so does not include coastal waters belonging to Peru.ccording to the CIA World Factbook, Peru covers a total area of 1,285,216 square kilometers, or 496,224 square miles.
Guyana covers 214,970 square kilometers (83,000 square miles), making it slightly smaller than the U.S. state of Idaho. Approximately 196,850 square kilometers (76,000 square miles) of Guyana's area is land and 18,120 square kilometers (7,000 square miles) is water. The coastline of Guyana totals 459 kilometers (285 miles). The capital, Georgetown, is located on the coast.