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Westlake Corp. is closing four U.S. chemical production units and cutting 295 jobs by year-end as it retreats from underperforming chlorovinyl and styrene operations amid a global PVC market downturn.

Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Thomas J. Brock is a CFA and CPA with more than 20 years of ...