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2. Welding power supply - Wikipedia

   en.wikipedia.org/wiki/Welding_power_supply

   The high frequency inverter-based welding machines are typically more efficient and provide better control of variable functional parameters than non-inverter welding machines. The IGBTs in an inverter based machine are controlled by a microcontroller, so the electrical characteristics of the welding power can be changed by software in real ...

3. Shielded metal arc welding - Wikipedia

   en.wikipedia.org/wiki/Shielded_metal_arc_welding

   Typically, the equipment used for SMAW consists of a step-down transformer and for direct current models a rectifier, which converts alternating current into direct current. Because the power normally supplied to the welding machine is high-voltage alternating current, the welding transformer is used to reduce the voltage and increase the current.

4. Induction welding - Wikipedia

   en.wikipedia.org/wiki/Induction_welding

   The apparatus used for induction welding processes includes a radio frequency power generator, a heating station, the work piece material, and a cooling system. The power generator comes in either the form of solid state or vacuum tube and is used to provide an alternating current of 230-340 V or a frequency of 50–60 Hz to the system.

5. 'Humbled' Naomi Osaka won't 'hang around' without wins

   www.aol.com/sports/humbled-naomi-osaka-wont-hang...

   Four-time Grand Slam champion Naomi Osaka isn't inclined to "hang around" in professional tennis if her results aren't on par with her expectations.

6. Louisiana often holds inmates past their release date, DOJ ...

   www.aol.com/louisiana-often-holds-inmates-past...

   Louisiana’s prison system routinely holds people weeks and months after they have completed their sentences, the U.S. Department of Justice alleged in a lawsuit filed Friday. The suit against ...

7. Electron-beam welding - Wikipedia

   en.wikipedia.org/wiki/Electron-beam_welding

   Electron-beam welding (EBW) is a fusion welding process in which a beam of high-velocity electrons is applied to two materials to be joined. The workpieces melt and flow together as the kinetic energy of the electrons is transformed into heat upon impact.