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A diagram which shows the interconnection of process equipment and the instrumentation used to control the process. In the process industry, a standard set of symbols is used to prepare drawings of processes. The instrument symbols used in these drawings are generally based on International Society of Automation (ISA) Standard S5.1
The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.); The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it;
ISO 7010 states on all symbols with a first aid cross, that it "may be replaced with another element appropriate to cultural requirements". In countries with a Muslim -majority population, an appropriate symbol is the crescent .
Medeco's lock design features lock pins that are "chisel tipped" which can only be rotated by keys with correspondingly angled cuts. This serves to increase the difficulty of key reproduction. A slot along the length of the pin causes the sidebar to drop once the pin has been rotated to its correct orientation.
The list of such companies (which usually changes over time) is called an APSL, AVL, or similar names. Vetting the companies on this list requires the CDA to audit (and possibly periodically re-audit) the companies, which incurs an overhead expense for the CDA. Therefore, smaller companies will often cite larger companies' lists in order to ...
Social Security's future may be up in the air right now, but by staying updated and having a backup plan ready, you can better protect your finances going forward. The $ 22,924 Social Security ...
p>At the Milwaukee County Zoo, the holiday spirit is as large as some of the residents. The zoo shared a delightful scene of their elephants — Belle, Ruth and Brittany — engaging in a bit of ...
To prevent access to the inside of an electric kiln, a trapped key system may be used to interlock a disconnecting switch and the kiln door. While the switch is turned on, the key is held by the interlock attached to the disconnecting switch. To open the kiln door, the switch is first opened, which releases the key.