Iodoform gauze is a type of sterile, absorbent fabric used to pack wounds and facilitate blood clotting and general healing. In most cases it is materially identical to standard medical gauze except that it has been treated with or soaked in iodoform, an antiseptic.
GCWR takes into account GVWR and loaded trailer weight. The GCWR is the maximum weight the vehicle can carry and pull together. The loaded trailer weight plus the GVWR of the vehicle cannot exceed the GCWR as specified by the manufacturer.
Class B: Single vehicles with a GVWR of 26,001 lbs. or more, or any such vehicle towing a vehicle 10,000 lbs. GVWR or less. A driver with a Class B license may, with the proper endorsements, operate vehicles requiring a Class C or D license. Class C: Vehicles with a GVWR or GCWR less than 26,001 lbs.