For North American companies, the UPC is an existing form of the GTIN. The family of data structures (not symbologies) comprising GTIN include: GTIN-12 (UPC-A): this is a 12-digit number used primarily in North America
A plateau is high, flat ground or a situation where something has stalled that was progressing forward previously. 1  An example of a plateau is a high, flat field.  An example of a plateau is a situation where no progress is being made on a project while you await funding approval.
Nuclear physics. Definition. Nuclear physics is the study of the protons and neutrons at the centre of an atom and the interactions that hold them together in a space just a few femtometres (10-15 metres) across. Example nuclear reactions include radioactive decay, fission, the break-up of a nucleus, and fusion, the merging of nuclei.