The blade is called a clap. Go to: http://visual.merriam-webster.com/images/sports-games/winter-sports/speed-skating/speed-skates.jpg for a great image on clap skates and fixed blades.
Quad skates are the old-style 4 wheel skates that are generally used at a skate rink. While being overshadowed by in-line skates, they are still available at most sporting stores.
You can use a clap switch just about anywhere in your home or office. The clap switch is a light that can come on or off and the clap of your hands.
Yes, tohugh it would feel different so it would take time to get used to it but he could still run to almost the same equivilance as before with skates
the Olympics are of course still used today and held every four. In ancient Greece they were held to honor Zeus.
wood
Generally, there are two main kinds of roller skates: in-lines and quads. In-lines are made for speed, and quads are made for performing tricks. There are several classifications of skates: One kind of skates are 'aggressive' skates. These have hard boots and small wheels. These are used for dangerous stunts such as hand rail slides or stair jumps. Generally, only extremely advanced skaters use these skates. On the other hand, 'recreational skates' are generally used for beginners. They are built for comfort and durability. These are often confused with 'fitness' skates, which are reserved for those who Rollerblade often. There is another group of skates, called 'speed' skates. Their design varies, but they are generally used for sports.
They're used for different purposes-- figure skates for jumps and spins and speed skates for speed.
roller skates
The past participle of "clap" is "clapped" or "clapt", depending on the context or dialect being used.
Yes it is very much standing.
He used Nike skates in his last game.