Saliva constantly flows from the salivary glands in your mouth. Sometimes, the chemicals in saliva can crystalise to form a tiny stone. Salivary gland stones ('salivary calculi') can become lodged in the duct (tube) leading from the salivary gland, blocking the flow of saliva into the mouth. This can cause swelling and pain in the gland.
Hub assemblies and wheel bearings. Located between the brake drums/discs and the drive axle, the hub assembly is mounted to the holding bracket of the chassis on the axle side. On the drum/disc side, the wheel is connected to the hub assembly via bolts. The wheel bearing itself is inside the hub unit.
Wheel Alignment. A wheel alignment machine is the best tool for checking suspension and steering component damage after an accident. A wheel alignment is the adjustment of the suspension and steering systems that allows the tires to roll smoothly and correctly over the surface of the road. Itâs also the measurement of the suspension angles and the adjustment of the suspension and steering components.