Research & Medical Tourette Association Annual Scientific Meeting The Tourette Association of America will convene its annual scientific meeting on Thursday, April 20, 2017, at the Bethesda North...
Bort-like heavily twinned diamond from Congo. Bort or boart is a term used in the diamond industry to refer to shards of non-gem-grade/quality diamonds. In the manufacturing and heavy industries, bort is used to describe dark, imperfectly formed/crystallized diamonds of varying levels of opacity.
Congoleum vinyl composition tile (VCT) is a mixture of limestone, thermoplastic binder, fillers and pigments. This mixture contains colored vinyl chips formed into solid sheets of varying thickness (1/8` is most common) by heat and pressure and cut into squares of the desired size and shape.