[post_page_title]The ‘X’ means nothing[/post_page_title]
In the 1930s, the codes for airports were changed from two letters to three. That meant some airports had to come up with a new letter in their names. LAX is perhaps the best example of an airport with a character in its name that means nothing.
The “X” in LAX is only there to fill a gap as a requirement by the International Air Transport Association. The same goes for Portland International Airport, with the “X” in PDX standing for nothing at all.
Staying fit is certainly a commitment. Besides doing the physical training, there are some other factors to consider, like nutrition