History of slavery. The history of slavery spans many cultures, nationalities, and religions from ancient times to the present day. However the social, economic, and legal positions of slaves were vastly different in different systems of slavery in different times and places.[1]
1 Screw the can of Fix-a-Flat onto the valve stem, you'll hear it start to fill the tire with air. 2  When it stops filling, unscew the can and replace the valve stem cap. 3  Drive the car right away.4  The sealant in the magic can needs to circulate evenly inside the tire to fill the leaky hole and ride evenly.et ready to save the day: 1  Pull over to a safe area. 2  Remove the black cap from the valve stem (the nipple that the air comes in through). 3  Put the cap in a safe place, you'll need to put it back on when you're done.*. 4  Screw the can of Fix-a-Flat onto the valve stem, you'll hear it start to fill the tire with air.
If you have your tire repaired at a shop, be sure to tell them you used Fix-a-Flat. They need to know that your tire is filled with aerosol gases and not just air. *Your valve stem caps keep debris from clogging the valve, and keep water and ice from collecting. Both could cause problems in an emergency.f your car is equipped with tire pressure warnings, please consult the manufacturer before you add a can to your roadside emergency kit. Fix-a-Flat is almost entirely self explanatory. It can repair tires. But like all things simple, it's the little things that can clog up the works.