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[12] [13] However, the 1977 revision (ANSI X.3-1977) undid the changes made in the 1967 revision, enforcing that the circumflex could no longer be stylised as a logical NOT symbol, the exclamation mark likewise no longer allowing stylisation as a vertical bar, and defining the code point originally set to the broken bar as a solid vertical bar ...
Symbols of chemical apparatus and equipment; Pipe: Thermally insulated pipe: Jacketed pipe Cooled or heated pipe Flexible connection: Hydraulic pump: Pump: Vacuum pump or compressor: Fan Axial fan Radial fan: Dryer: Jacketed mixing vessel (autoclave) Half pipe mixing vessel Pressurized horizontal vessel Pressurized vertical vessel Packed column ...
Example of pipe marking through colors and symbols (arrows) to indicated pipe contents (colors) and flow direction (arrows). Pipe marking on a natural gas pipe In the process industry , chemical industry , manufacturing industry , and other commercial and industrial contexts, pipe marking is used to identify the contents, properties and flow ...
The older symbol for this was a small script (italic) f (see herein f). Later the ASA convened upon a letter V (specifically a sans-serif V) touching the surface. Soon this evolved into the "check mark" sign with accompanying number that tells the reader a max roughness value (RMS, microinches or micrometres) for the machined finish, to be ...
SSCP – subsea cryogenic pipeline; SSCS – subsea control system; SSD – sub-sea level depth (in metres or feet, positive value in downwards direction with respect to the geoid [citation needed]) SSD – sliding sleeve door; SSFP – subsea flowline and pipeline; SSG – sidewall sample gun; SSH – steam superheater
Some recent embedded systems also use proprietary character sets, usually extensions to ISO 8859 character sets, which include box-drawing characters or other special symbols. Other types of box-drawing characters are block elements , shade characters, and terminal graphic characters; these can be used for filling regions of the screen and ...
Hazard symbols; List of mathematical constants (typically letters and compound symbols) Glossary of mathematical symbols; List of physical constants (typically letters and compound symbols) List of common physics notations (typically letters used as variable names in equations) Rod of Asclepius / Caduceus as a symbol of medicine
Symbol for flexible pipe: Date: September 2007: Source: Own work: Author: Snipre: Licensing. Public domain Public domain false false: I, the copyright holder of this ...