And a ball valve is used for controlling the Flow of Materials in a system. Its main part is a sphere with a hollow center; a 90· rotation of this ball aligns or misaligns the hole with the pipeline, ...

“I had no qualifications. I was really behind the eight ball – without a mother, without a father.” But that freedom allowed him to create, he says, “this persona for myself called Pierce ...

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HAYWARD — A 71-year-old man was killed Tuesday night when he was hit by a BART train on the tracks between the Hayward and South Hayward stations, authorities said Wednesday. Why the Hayward man ...

In an effort to limit the damage, Petronas has successfully shut off the valve of the affected pipeline, though the fire remains active. Selangor Fire and Rescue Department assistant director of ...