mill shell in a sentence

1. The liners are fastened to the inner side of mill shell ( cylindrical part ) to protect the shell from the impact of the steel balls.
2. Shell supported mills such as the Sepro PTD mills minimize stress on the mill shell by spreading the power drive over the full length of the mill.
3. The relatively short distance between the last disk results in a centrifugal action that forces coarse particles towards the mill shell, from where they flow back towards the feed end.
4. It's difficult to find mill shell in a sentence.