The Church of Jesus Christ of Latter-day Saints unveiled a new symbol last month as part of President Russell M. N elson’s continuing efforts to emphasize — to insiders and outsiders alike — that the ...

Covers requirements for symbolically representing the functions of distributed control/shared display instrumentation, logic, and computer systems.

The National Electrical Manufacturers Association (NEMA) has published EW 4-2009, the first new edition in 15 years. This standard provides manufacturers and users of arc welding and cutting equipment ...

InvestigationThese yellow pictograms have proliferated and diversified to the point of becoming an indispensable part of our digital communication. Since the first limited set of yellow pictograms, ...

Symbols are included to depict mathematical functions, graphs, process equipment, instruments, and electrical equipment. The symbols are suitable for use in dynamic displays, as on cathode-ray tubes ...