Rocks are made of minerals. Well you see rocks eat minerals and because they don't have a bum they can't poo, so the minerals solidify and eventually the rock gets completely full and becomes one big lump of rock poo - which is just a lump of minerals.
A collet /ËkÉlÉ¨t/ is a holding deviceâspecifically, a subtype of chuck âthat forms a collar around the object to be held and exerts a strong clamping force on the object when it is tightened, usually by means of a tapered outer collar. It may be used to hold a workpiece or a tool.
collet (plural collets) 1  A band, flange, ferrule, or collar, designed to grip and hold a tool or a workpiece under proper control, and usually to release it under control thereafter; such a collet usually is made of a hard, springy material, especially a metal. 2  In jewelry, the rim (of a ring) within which a jewel is set.