Examples are âEsperantoâ and the âInternational Phonetic Alphabet,â which is used to describe pronunciations in some dictionaries, and that used by airplane pilots to communicate.
Polished concrete is concrete that has been treated with a chemical densifier and ground with progressively finer grinding tools. The grinding tools are usually progressive grits of diamond grinding cup wheels and diamond polishing pads.rocess involved in polishing concrete: 1  The concrete floor is cut with a variety of diamond abrasive grits, usually, 3-8 depending on the gloss level desired. 2  Many in the industry do not consider a 3-step grinding to be truly polished concrete. 3  The 3-step process is often referred to as a hybrid polished concrete.
Gypsum concrete. Gypsum concrete is a building material used as a floor underlayment used in wood-frame and concrete construction for fire ratings, sound reduction, radiant heating, and floor leveling. It is a mixture of gypsum plaster, Portland cement, and sand. The brand name Gyp-Crete, a Maxxon Corporation trademark, has come into general use as a term for gypsum concrete by construction professionals and architects.