The results showed that the fiber can be cleaned off the hard work of the tooth using Eฟืon and rotation of the core. It can also trap dirt and dust not to be significant.
Results appear as a rounded yak yai can be cleaned by using the teeth of fuean and iron axes of rotation. It is also possible to trap dust, so that no dust to spread and distribution.
The beads of the difficult no matter which can be cleaned by using the principles of mind) to aberrate teeth and the roll of the barrel steel is also able to capture dust to dust clouds and the importance