1 The air we breath is a mixture of gasses: primarily nitrogen, oxygen, & carbon dioxide. 2  So, the air you blow into a balloon creates pressure that causes the balloon to expand (& this pressure is generated as all the molecules of nitrogen, oxygen, & carbon dioxide move about & collide with the walls of the balloon).
Bravo Sports Corp. in Santa Fe Springs bought Sector 9 in La Jolla on undisclosed terms. Bravo makes scooters, skateboards, helmets and other sporting goods under about 20 brands. Sector 9 makes skateboards, surfboards, snowboards, gear, and accessories under three brands, and had been owned by Billabong International.
Companies like Vans and Vision Street Wear started making skateboard specific shoes as early as the mid-sixties and seventies, although the skate shoe market has literally exploded over the past 10 to 15 years.