The invention discloses a method for reproducing from a multi-layer optical information carrier, e. SAS expanders connect the RAID controllers to the drives. An information display includes a first area containing an electronic program guide item and a second area containing an indicia of a related Internet address. And the same protection system can be applied to an engagement of a sheath unit and a body of ultrasonic surgical instrument. A vibration snesor and vibration sensor housing rotationally mounted in relation to the mounting pin when the mounting pin is screwed into the lubrication hold opening.