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.
Limitations To Axle Spacing. One of the primary methods used to change the weight distribution across a truck's axles is to slide the trailer tandems toward the front or rear of the trailer. But there are laws regulating how far forward or back the tandems can be placed.