Top 10 amazing movie makeup transformations. A trocar is a versatile medical instrument usually inserted through a hollow tube called a cannula that functions as a portal into the body of a surgical patient. The purpose of a trocar is the introduction of three essential elements: illumination, a viewing scope and surgical tools.
Bentonite clay is sedimentary clay composed of weathered and aged volcanic ash, the most active deposits of which are in Wyoming and Montana. It is a âhealing clay,â a clay that absorbs impurities such as toxins and heavy metals either when ingested or applied topically.
List of countries by bentonite production. Bentonite is an absorbent aluminium phyllosilicate generally impure clay consisting mostly of montmorillonite. There are a few types of bentonites and their names depend on the dominant elements, such as potassium, sodium, calcium, and aluminium. As noted in several places in the geologic literature, there are some nomenclatorial problems with the classification of bentonite clays.