تیوب ها

Tubes 
The tires are two types one of them has tube and the other one tubeless tubes. Inside your tires, there is a tube that is circular and keeps compressed air. The pressure of the air inside causes the rubber to maintain its shape. The rubber trucks and motorcycles usually have tube , but in cars and light cars are rarely used by tube and are tubeless.
This lab has the ability to perform specialized tests for pneumatic tires for vehicles, motorcycle tire and bicycle tire .