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2. Glossary of firefighting equipment - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_firefighting...

   Double male Hose coupling adapter with two male-threaded connectors back-to-back; used for connecting two female couplings together. Dry chemical A fire extinguishing agent. It works by breaking the chemical chain reaction in the "fire tetrahedron". Dry hydrant A fire hydrant with a valve located at the bottom of the barrel, near the water main ...

3. Hose coupling - Wikipedia

   en.wikipedia.org/wiki/Hose_coupling

   Side view of a 1.5 to 2.5 inches (38 to 64 mm) adapter. National Hose thread (NH), also known as National Standard Thread (NST). It is the most common type of fire hose coupling used in the United States. The male and female straight (non-tapered) threads screw together and the connection is sealed with a gasket.

4. Coupling (piping) - Wikipedia

   en.wikipedia.org/wiki/Coupling_(piping)

   Alternatively it is a short length of pipe with two female National pipe threads (NPT) (in North American terms, a coupler is a double female while a nipple is double male) or two male or female British standard pipe threads. If the two ends of a coupling are of different standards or joining methods, the coupling is called an adapter. Examples ...

5. Garden hose - Wikipedia

   en.wikipedia.org/wiki/Garden_hose

   The US standard was defined by NFPA 1963, "Standard for Fire Hose Connections", [2] then later by ANSI-ASME B1.20.7, [3] which specifies 1 + 1 ⁄ 16 inches (27 mm) diameter straight (non-tapered) thread with a pitch of 11.5 threads per inch (TPI). The female thread is abbreviated FHT (for "female hose thread"), and the male part is abbreviated ...

6. Far-left Antifa activists waiting to see Trump actions. How ...

   www.aol.com/far-left-antifa-activists-waiting...

   Members of antifa get in a yelling match with a supporters of President Donald Trump during a protest of the certification of the presidential election results at the Oregon State Capitol in Salem ...

7. The 6 best and 6 worst celebrity Christmas albums - AOL

   www.aol.com/news/6-best-6-worst-celebrity...

   Every year, celebrities try to capitalize on the holiday season by releasing festive music. Singers like Mariah Carey, Ariana Grande, and Michael Bublé managed to perfect the cheesy art form.