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2. Weld pool - Wikipedia

   en.wikipedia.org/wiki/Weld_pool

   The weld pool must be carried along the joint in a consistent width and depth, and the motion used to carry the weld pool has a direct effect on the quality of the weld bead. A weld made by starting and carrying a weld pool, without the addition of a filler material, is called an autogenous weld. [1]

3. Filler (materials) - Wikipedia

   en.wikipedia.org/wiki/Filler_(materials)

   Filler can have a negative or positive effect on fatigue resistance depending on the filler type and shape. In general fillers create small discontinuities in the matrix. This can contribute to crack initiation point. If the filler is brittle fatigue resistance will be low, whereas if the filler is very ductile the composite will be fatigue ...

4. Expansion joint - Wikipedia

   en.wikipedia.org/wiki/Expansion_joint

   An expansion joint is designed to allow deflection in the axial (compressive), lateral (shear), or angular (bending) deflections. Expansion joints can be non-metallic or metallic (often called bellows type). Non-metallic can be a single ply of rubberized material or a composite made of multiple layers of heat and erosion resistant flexible ...

5. Ethylene-vinyl acetate - Wikipedia

   en.wikipedia.org/wiki/Ethylene-vinyl_acetate

   The drug-filler-polymer mixture is then cast into a mold at −80 °C and freeze-dried until solid. These devices are used in drug delivery research to slowly release a compound. The polymer does not biodegrade within the body, but is quite inert and causes little or no reaction following implantation.

6. Polymer concrete - Wikipedia

   en.wikipedia.org/wiki/Polymer_concrete

   The corrosion resistance and low permeability of polymer concrete allows it to be used in swimming pools, sewer structure applications, drainage channels, electrolytic cells for base metal recovery, and other structures that contain liquids or corrosive chemicals. It is especially suited to the construction and rehabilitation of manholes due to ...

7. A government shutdown could make Trump transition 'chaotic'

   www.aol.com/government-shutdown-could-trump...

   A K9 officer patrols the front of the Capitol on a day where a potential government shutdown looms during the holidays after a spending bill backed by Donald Trump failed in the U.S. House of ...