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2. HDPE pipe - Wikipedia

   en.wikipedia.org/wiki/HDPE_pipe

   HDPE pipe is a type of flexible plastic pipe used to transfer fluids and gases. It is often employed for replacing aging concrete or steel main pipelines . Constructed from the thermoplastic HDPE (high-density polyethylene ), it has low permeability and robust molecular bonding, making it suitable for high-pressure pipelines .

3. Plastic welding - Wikipedia

   en.wikipedia.org/wiki/Plastic_welding

   Hot gas welding, also known as hot air welding, is a plastic welding technique using heat. A specially designed heat gun, called a hot air welder, produces a jet of hot air that softens both the parts to be joined and a plastic filler rod, all of which must be of the same or a very similar plastic. (Welding PVC to acrylic is an exception to ...

4. High-density polyethylene - Wikipedia

   en.wikipedia.org/wiki/High-density_polyethylene

   HDPE is known for its high strength-to-density ratio. [4] The density of HDPE ranges from 930 to 970 kg/m 3. [5] Although the density of HDPE is only marginally higher than that of low-density polyethylene, HDPE has little branching, giving it stronger intermolecular forces and tensile strength (38 MPa versus 21 MPa) than LDPE. [6]

5. Hot gas welding - Wikipedia

   en.wikipedia.org/wiki/Hot_gas_welding

   Hand welding is a technique in which the weld rod is applied to the joint by the welder directly. This is also referenced as free-hand welding or fan welding. [1] The hot gas torch is maneuvered in one hand to heat both the weld rod and joint surfaces in a pendulum manner in quick succession.

6. MLB rumors: Latest news on free agents Juan Soto, Corbin ...

   www.aol.com/mlb-rumors-latest-news-free...

   2024 Cy Young Award voting results: Chris Sale and Tarik Skubal win in southpaw sweep Latest MLB Rumors: Dodgers looking to land top pitchers. With so few top arms available in free agency this ...

7. GM to retreat from robotaxis and stop funding its Cruise ...

   www.aol.com/gm-retreat-robotaxis-stop-funding...

   General Motors said Tuesday it will retreat from the robotaxi business and stop funding its money-losing Cruise autonomous vehicle unit. Instead the Detroit automaker will focus on development of ...