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.
This is the exact sort of thing that you should use self leveling compound for. A quick prime and then a self-leveler the next day (literally 15-20 mins of total work). Your leveling doesn't have to be perfect but I would fix the dip. This is very very easy. Self-leveling compound cannot seep through the plywood unless you put way way too much on.