Your tonsils are gland-like structures in the back of your throat. You have one located in a pocket on each side. Tonsils are made of tissue that contains lymphocytes -- cells in your body that prevent and fight infections.onsil stones, or tonsilloliths, are formed when this trapped debris hardens, or calcifies. This tends to happen most often in people who have chronic inflammation in their tonsils or repeated bouts of tonsillitis.
A self-centering chuck, also known as a scroll chuck, uses dogs (usually called jaws), interconnected via a scroll gear (scroll plate), to hold onto a tool or workpiece.
Tillage Equipment Information Sheet. Conservation Practice Information Sheet (IS-MO344) Disk Harrows â concave cutting blades mounted on a common shaft to form a gang; leveling tillage tool while. sizing and burying residue; surface is smooth and runoff is likely to occur; may have primary tillage gang (front) and.