As the vertical roller mill works, the motor drives the reducer to rotate the dial, the raw material are delivered to the center of the dial from the air lock rotary feeder. The material moves to the edge of the dial due to the effect of centrifugal force and than be ground by the force of the ro...
51. Durbin-Watson Test for Autocorrelation: An Example The Banner Rock Company manufactures and markets its own rocking chair. The company developed special rocker for senior citizens which it advertises extensively on TV. Banner's market for the special chair is the Carolinas, Florida and Arizona, areas where there are many senior citizens and …