supplies blood to the anterior (front) parts of the scalp, ear, face, neck, and side of the head. Facial artery external maxillary artery supplies blood to the lower region of the face, mouth, and nose.
Axle bushing is an independent plain bearing that is inserted into a housing to provide a bearing surface for rotary applications; this is the most common form of a plain bearing.[8] Common designs include solid (sleeve and flanged), split, and clenched bushings.
Aggregate Haulers (Code 16) Any commercial motor vehicle used in the business of hauling aggregate - ready-mix cement, stone, clean fill, etc. All requirements are the same as those for Code 11 vehicles. Vehicle may only be used to haul aggregate as defined above. School bus (Codes 17, 18)