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.
In general, the size of the truck axle should be similar to the width of the skate deck. The majority of trucks are produced to be suitable for most 7.5â to 8â deck sizes. Bushings. Bush ings are rub ber pads between the kingpin and the hanger on a truck.