Casters are small wheels constructed to take on heavy loads of weight. Casters are handy when transporting something a normal person can't usually pick up without assistance.
Casters are wheels of various sizes that are designed to be mounted onto objects to help them move. Casters are very important in your daily lives - for example, office chairs have casters so they...
The ancient Germanic tribes and the ancient Scandinavians used runes as an alphabet. Prior to that, they used runes for magic purposes, such as casting lots (divination) and spells of protection.
A model aeroplane is used for presentations and testing. Model planes are also used for fun. They are used model-plane clubs, aeroplane company headquarters and studios. (Bedroom, in my house)