Below is a simple AMF file describing a pyramid made of two materials, adapted from the AMF tutorial (548 bytes compressed). To create this AMF file, copy and paste the text below text into a text editor or an xml editor, and save the file as pyramid.amf. Then compress the file with ZIP, and rename the file extension from .zip to .zip.amf.
The flu is a respiratory illness caused by influenza viruses that infect the nose, throat and lungs â but its effects can be felt through the whole body. The flu is a highly contagious viral infection of the respiratory tract. The symptoms of flu and colds are similar, but flu symptoms come on suddenly, Flu Symptoms.
January 6, 2015. 1  If youâd like to get technical, a cold can be called nasopharyngitis, rhinopharyngitis or acute coryza. Often, itâs an infection with rhinovirus, but more than 200 other viruses can cause the coughing, sore throat, runny nose and sneezing that we call the common cold. Since colds have long been associated with the chilly, wet weather of winter, thatâs likely where they picked up their easily recognized name.