A $40 million ethylene improvement project from Westlake Chemical is featured in this week's Material Insights video. Westlake will make the investment at its plant in Calvert City, Ky., to reduce costs and energy consumption at the site. News of injury accidents at two materials firms also is included in this week's video: Four workers were injured in a Dec. 7 fire at compounder Polymer Partners in Henderson, Ky. Three of the workers remained hospitalized as of Dec. 9. At Teknor Apex's compounding plant in Pawtucket, R.I., a Dec. 8 accident resulted in the amputation of one of the hands of a 20-year-old male employee. This week's video wraps up with news that BASF plans to build a plant making its Ultrason-brand polyethersulfone resin at a plant in Yeosu, South Korea. The plant is expected to open by early 2014 with about 50 employees and annual capacity of more than 13 million pounds.