the extreme width sign, w, is calculated as: w = (area of signs + area of exposed backing bars + area of post above bottom of sign)/(extreme height of sign). if you location significance on reading, then your little one will do the very same and 50% of the function might be performed with out you having to raise a finger. these products are available in different designs and colors; even some are light in weight and some are heavy but the choice is up to the buyers. sure enough, every time i sniffed the mud sucked up my nose and i had to sneeze. 