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.
kingpin of a fifth-wheel, or coupler if the suspension is installed on a travel trailer. When the tires are aligned properly, the trailer is easier to tow and the tires are less. susceptible to premature wear and blowouts.