In the United States, the inflation rate is most commonly measured by the percentage rise in the Consumer Price Index, which is reported monthly by the Bureau of Labor Statistics (BLS). A CPI of 120 in the current period means that it now takes $120 to purchase a representative basket of goods that $100 once purchased.
Paraphenylenediamine (PPD) is a chemical substance that is widely used as a permanent hair dye. It may also been found in textile or fur dyes, dark coloured cosmetics, temporary tattoos, photographic developer and lithography plates, photocopying and printing inks, black rubber, oils, greases and gasoline.
Difference Between PVD and CVD. â¢ Categorized under Industrial | Difference Between PVD and CVD. PVD vs CVD. PVD (Physical Vapor Deposition) and CVD (Chemical Vapor Deposition) are two techniques that are used to create a very thin layer of material into a substrate; commonly referred to as thin films.