Cold resistant conveyor belt can be divided into three types according to cover properties:Laceration resistant type(H), Anti-abrasive type(D), and Ordinary type(l).

Very few whitening toothpastes have undergone any type of clinical trial, and ones that are too abrasive can damage teeth or make them very sensitive.

Abrasive machining for eccentric shaft of rolling cut type sizing shear has been described in this paper.