1 In the U.S., infection with hepatitis C is the most common cause of chronic hepatitis and the most common reason for liver transplantation.
This is a common problem with ABY boxes that do not have isolation. You need an ABY box that has transformer isolation built in like the Radial BigShot ABY, Bones Twin City or Tonebone Switchbone, which is probably the best ABY box ever made.
Click to Enlarge. Reverse Countersinks and Spotfacers are used in those areas where the back side of a part has limited access and requires the hole to be countersunk or a flat cut for a bolt/nut/ washer. The pilot is inserted through the hole and the Reverse Countersink or Spotfacer is mounted on the pilot.