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.
Moldboard plow type is usually determined by the method in which the plow is attached to the tractor and by the way it is lifted and carried. The basic types are: 1.Three wheel trailing type â attached to the standard tractor drawbar and carried on its own three wheels. 2.Mounted or integral â most use a three-point hitch and have a rear wheel in use only when plowing.