The goals of treating human bites to the head and neck region are the restoration of the patient's facial appearance and function. [19, 20] In the past, these wounds were routinely left open because of the high rate of wound infection.
A tow ball mounted on the rear of a vehicle. A tow hitch (or tow bar) is a device attached to the chassis of a vehicle for towing, or a towbar to an aircraft nose gear.
1 There are five classifications for hitches, based on the total weight being towed, the type of receiver and the weight in pounds of the safety chain required. 2  Class I can haul up to 2,000 pounds; Class V up to 12,000 pounds. 3  Redneck Trailer Supplies provides a chart of hitch classes. Hitch ball vary in size from 1'7/8 to 2-5/16, and different sizes may be needed for different trailers. 2  Additional hitch balls cost $8-$70 or more. 3  A hitch cover costs $13-$50, and a hitch lock costs$10 -$25.