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2. Cross-linked polyethylene - Wikipedia

   en.wikipedia.org/wiki/Cross-linked_polyethylene

   A cross-linked polyethylene (PEX) pipe. Cross-linked polyethylene, commonly abbreviated PEX, XPE or XLPE, is a form of polyethylene with cross-links.It is used predominantly in building services pipework systems, hydronic radiant heating and cooling systems, domestic water piping, insulation for high tension (high voltage) electrical cables, and baby play mats.

3. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   A plug is a short barbed fitting with a blank end that can only be used with PEX piping to end the continuation of a water line that is no longer in use due to tying in elsewhere within the system or to seal the end of a water line which may be used for future use in the case of additional facilities. All plugs are sealed watertight with a PEX ...

4. Plumbing - Wikipedia

   en.wikipedia.org/wiki/Plumbing

   Due to its toxicity, most cities moved away from lead water-supply piping by the 1920s in the United States, [36] although lead pipes were approved by national plumbing codes into the 1980s, [37] and lead was used in plumbing solder for drinking water until it was banned in 1986. [36] Drain and vent lines are made of plastic, steel, cast iron ...

5. Mystery surrounds shooting death of beloved Altadena couple - AOL

   www.aol.com/news/mystery-surrounds-shooting...

   One week after an Altadena couple — married for more than 30 years and beloved in their neighborhood — was found slain in their home, friends and family held a candlelight vigil in their honor ...

6. 19-Year-Old Woman 'Repeatedly Assaulted' at Home by Other ...

   www.aol.com/19-old-woman-repeatedly-assaulted...

   The young woman claimed to officers that she “was repeatedly assaulted” and “forced to remove her clothing” by at “least three teens” in the basement of a home on the same street.

7. NFL-Goodell says no change to NFL's relationship with Jay-Z ...

   www.aol.com/news/nfl-goodell-says-no-change...

   NFL Commissioner Roger Goodell on Wednesday said the league is aware of a lawsuit that accuses musician Jay-Z of rape but said it is not impacting the NFL's partnership with the rap mogul's Roc ...

8. Crimp (joining) - Wikipedia

   en.wikipedia.org/wiki/Crimp_(joining)

   Crimp tool for 0.14 mm 2 to 10 mm 2 (26–8 AWG) insulated and non-insulated ferrules. Crimping is a method of joining two or more pieces of metal or other ductile material by deforming one or both of them to hold the other. The bend or deformity is called the crimp. [1] [2] Crimping tools are used to create crimps.

9. Underfloor heating - Wikipedia

   en.wikipedia.org/wiki/Underfloor_heating

   PEX has become a popular and reliable option in-home use for new concrete slab construction, and new underfloor joist construction as well as (joist) retrofit. Since the materials are produced from polyethylene and its bonds are cross-linked, it is highly resistant to corrosion or the temperature and pressure stresses associated with typical ...