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.
1 Existing concrete Floor Polishing-An existing concrete floor that can be polished. 2  New concrete Floor Polishing-A new concrete slab that can be specified prior to polishing. 3  Polished concrete Overlays-A cement based overlay applied at 10mm to 40mm that can be diamond polished.ypically, concrete is not considered polished before 400 grit which is known as honed concrete, polished concrete is normally finished to either the 800, 1500, or 3000 grit level depending on the shine and reflection specified.