Standard is a technical document used as rule or guideline. Standards are consensus-built and repeatable ways of doing something. Standards benefit all parties through increased safety and quality
C was created by Dennis Ritchie at Bell Labs between 1969 and 1973. K&R book (1978) introduced standard I/O library and basic data types. AT&T compilers later added void functions and struct return types
Hole punch creates holes in paper for binding and organizing loose leaves. Essential parts include handle, moving punch head, and fixed die. Handle functions as lever, reducing operator force requirements. Cut-out pieces called chads are pushed out of die
P&ID shows process equipment and instrumentation interconnections. Also known as mechanical flow diagram (MFD). Superordinate to process flow diagram (PFD) showing general plant processes
EN 61558-2-16:2009/A1:2013 modifies European standard for SMPS safety. Approved by CENELEC on September 16, 2013. Available in English, French, and German versions
Manages airline-party interactions for product/service offerings and consumption monitoring. Includes fare, currency, reservations, ticketing, and intermodal distribution standards