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.
The class of license you need depends on the gross vehicle weight rating (GVWR) of your truck, and on the GVWR of the. heaviest vehicle that you tow with your truck. The gross combination weight rating (GCWR)is the GVWR of the. tow truck, plus the GVWR of the vehicle being towed (see Diagram 1, Chapter 3, page 6).