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Technical standards exist to provide glossaries of abbreviations, acronyms, and symbols that may be found on engineering drawings. Many corporations have such standards, which define some terms and symbols specific to them; on the national and international level, ASME standard Y14.38 [ 1 ] is one of the standards.
At its annual convention at Dallas, TX, the NFPA formally adopted a standard with 2 + 1 ⁄ 2-inch hose with 7.5 threads per inch as the primary standard, with additional sizes of 3 and 3.5 inches (each with 6 threads per inch) and a 4.5 inch coupling with 4 threads per inch, with the fire hydrant standard specifying one 4.5 inch port and two 2 ...
A metal roof is a roofing system featuring metal pieces or tiles exhibiting corrosion resistance, impermeability to water, and long life. It is a component of the building envelope . The metal pieces may be a covering on a structural, non-waterproof roof, or they could be self-supporting sheets.
This article is a list of mnemonics and acronyms related to first responders including community first responders, emergency departments, and other first responders with either low level or no qualifications in the relevant field. This list includes the definition of each item in the mnemonic or acronym.
Priority 4 or P4 is a less urgent routine call, no lights or sirens to be used, Police to follow all traffic and road rules. An example of a P4 call is a reattendance of a job that was of a higher priority, arrest attempts or neighbourly dispute. The KPI for attendance of P4's is 24 hours.
EMT-CC - Emergency Medical Technician - Critical Care [citation needed] EMT-CT - Emergency Medical Technician - Cardiac Tech [citation needed] EMT-M - Emergency Medical Technician - MAST (Military Anti-Shock Trousers) EMT-T - Emergency Medical Technician - Tactical [10] EMT-ST - Emergency Medical Technician - Shock Trauma [citation needed]
Intermediate metal conduit (IMC) is a steel tubing heavier than EMT but lighter than RMC. It may be threaded. Electrical metallic tubing (EMT), sometimes called thin-wall, is commonly used instead of galvanized rigid conduit (GRC), as it is less costly and lighter than GRC. EMT itself is not threaded, but can be used with threaded fittings that ...
Line or hose line a line of hose, referred to by its size i.e. 1"3/4, 1 inch, 2 Inch, 5 inch; Line loss: See friction loss. LODD (line of duty death) The death of a fire fighter while on-duty. Live line: A fire hose under pressure from a pump. Also, an energized electrical line that may cause a hazard to firefighters.