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Researchers said manufacturers and regulators should help mitigate potential health risks. Dec 16th, 2020 iStock Manufacturers, regulators and consumers should take steps to address potential risks related to 3D printing as the technology improves and becomes more widespread, researchers suggested Tuesday. The Society for Risk Analysis’ annual meeting, held virtually this week, featured a symposium on recent studies evaluating the risks posed by 3D printing systems and products. Researchers noted that particles produced during the printing process can infiltrate the lungs, and that in addition to labs and factories, printers are frequently used in schools, libraries and homes. Researchers added that 3D printers can use potentially harmful substances including thermoplastics, metals, and volatile and semi-volatile organic chemicals processed over the course of several hours. ....
Workers wear protective masks and stand between plastic dividers at Tyson Foods’ poultry processing plant in Camilla, Ga., in April. (Tyson Foods via AP) (CN) Working shoulder-to-shoulder in one large room, shouting at each other over loud machinery, meatpacking workers are at severe risk of contracting Covid-19. New research found ventilation is key to preventing major outbreaks at these plants. Meatpackers account for 0.16 % of the U.S. population, but they make up 1% of all Covid-19 cases in the U.S., roughly 166,000, said Felicia Wu, a Michigan State University toxicology professor who presented a study Tuesday in which she and her colleagues developed a Covid-infection risk model for the meatpacking industry. ....